1993006125 has 84 divisors (see below), whose sum is σ = 3951998076. Its totient is φ = 966306000.

The previous prime is 1993006123. The next prime is 1993006153. The reversal of 1993006125 is 5216003991.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

1993006125 is a `hidden beast` number, since 1 + 9 + 9 + 30 + 0 + 612 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 63776196 + 1929229929 = 7986^2 + 43923^2 .

It is not a de Polignac number, because 1993006125 - 2¹ = 1993006123 is a prime.

It is a nialpdrome in base 11.

It is a self number, because there is not a number n which added to its sum of digits gives 1993006125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1993006123) by changing a digit.

It is a polite number, since it can be written in 83 ways as a sum of consecutive naturals, for example, 181182370 + ... + 181182380.

Almost surely, 2^1993006125 is an apocalyptic number.

1993006125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1993006125 is a deficient number, since it is larger than the sum of its proper divisors (1958991951).

1993006125 is an frugal number, since it uses more digits than its factorization.

1993006125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87 (or 19 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 36.

The square root of 1993006125 is about 44643.0971707833. The cubic root of 1993006125 is about 1258.4507129464.

Multiplying 1993006125 by its product of nonzero digits (14580), we get a square (29058029302500 = 5390550²).

The spelling of 1993006125 in words is "one billion, nine hundred ninety-three million, six thousand, one hundred twenty-five".