61525712 has 10 divisors (see below), whose sum is σ = 119206098. Its totient is φ = 30762848.

The previous prime is 61525699. The next prime is 61525721. The reversal of 61525712 is 21752516.

It can be written as a sum of positive squares in only one way, i.e., 58125376 + 3400336 = 7624^2 + 1844^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1922663 + ... + 1922694.

Almost surely, 2^61525712 is an apocalyptic number.

It is an amenable number.

61525712 is a deficient number, since it is larger than the sum of its proper divisors (57680386).

61525712 is a wasteful number, since it uses less digits than its factorization.

61525712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3845365 (or 3845359 counting only the distinct ones).

The product of its digits is 4200, while the sum is 29.

The square root of 61525712 is about 7843.8327366154. The cubic root of 61525712 is about 394.7773396604. Note that the first 3 decimals are identical.

The spelling of 61525712 in words is "sixty-one million, five hundred twenty-five thousand, seven hundred twelve".