1973252461 has 8 divisors (see below), whose sum is σ = 2017620864. Its totient is φ = 1929271920.

The previous prime is 1973252417. The next prime is 1973252471. The reversal of 1973252461 is 1642523791.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1973252461 - 2¹⁵ = 1973219693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1973252471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86665 + ... + 107038.

It is an arithmetic number, because the mean of its divisors is an integer number (252202608).

Almost surely, 2^1973252461 is an apocalyptic number.

It is an amenable number.

1973252461 is a deficient number, since it is larger than the sum of its proper divisors (44368403).

1973252461 is a wasteful number, since it uses less digits than its factorization.

1973252461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193931.

The product of its digits is 90720, while the sum is 40.

The square root of 1973252461 is about 44421.3063855623. The cubic root of 1973252461 is about 1254.2791924399.

The spelling of 1973252461 in words is "one billion, nine hundred seventy-three million, two hundred fifty-two thousand, four hundred sixty-one".