61250189 has 32 divisors (see below), whose sum is σ = 84209664. Its totient is φ = 43001280.

The previous prime is 61250179. The next prime is 61250191. The reversal of 61250189 is 98105216.

It is not a de Polignac number, because 61250189 - 2¹⁶ = 61184653 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61250159) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42332 + ... + 43754.

It is an arithmetic number, because the mean of its divisors is an integer number (2631552).

Almost surely, 2^61250189 is an apocalyptic number.

It is an amenable number.

61250189 is a deficient number, since it is larger than the sum of its proper divisors (22959475).

61250189 is a wasteful number, since it uses less digits than its factorization.

61250189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1497.

The product of its (nonzero) digits is 4320, while the sum is 32.

The square root of 61250189 is about 7826.2499960070. The cubic root of 61250189 is about 394.1871636041.

The spelling of 61250189 in words is "sixty-one million, two hundred fifty thousand, one hundred eighty-nine".