61525134 has 24 divisors (see below), whose sum is σ = 145423512. Its totient is φ = 18643920.

The previous prime is 61525129. The next prime is 61525147. The reversal of 61525134 is 43152516.

61525134 is a `hidden beast` number, since 6 + 1 + 525 + 134 = 666.

It is a super-2 number, since 2×61525134² = 7570684227435912, which contains 22 as substring.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 61525098 and 61525107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 155169 + ... + 155564.

It is an arithmetic number, because the mean of its divisors is an integer number (6059313).

Almost surely, 2^61525134 is an apocalyptic number.

61525134 is an abundant number, since it is smaller than the sum of its proper divisors (83898378).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61525134 is a wasteful number, since it uses less digits than its factorization.

61525134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310752 (or 310749 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 61525134 is about 7843.7958922960. The cubic root of 61525134 is about 394.7761034184.

The spelling of 61525134 in words is "sixty-one million, five hundred twenty-five thousand, one hundred thirty-four".