61075256 has 32 divisors (see below), whose sum is σ = 125280000. Its totient is φ = 27683040.

The previous prime is 61075243. The next prime is 61075277. The reversal of 61075256 is 65257016.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39995 + ... + 41493.

It is an arithmetic number, because the mean of its divisors is an integer number (3915000).

Almost surely, 2^61075256 is an apocalyptic number.

It is an amenable number.

61075256 is an abundant number, since it is smaller than the sum of its proper divisors (64204744).

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

61075256 is a wasteful number, since it uses less digits than its factorization.

61075256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1979 (or 1975 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 61075256 is about 7815.0659626135. The cubic root of 61075256 is about 393.8115343152.

The spelling of 61075256 in words is "sixty-one million, seventy-five thousand, two hundred fifty-six".