61312575 has 24 divisors (see below), whose sum is σ = 104644096. Its totient is φ = 31644000.

The previous prime is 61312561. The next prime is 61312577. The reversal of 61312575 is 57521316.

It is not a de Polignac number, because 61312575 - 2⁵ = 61312543 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61312577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10861 + ... + 15510.

Almost surely, 2^61312575 is an apocalyptic number.

61312575 is a deficient number, since it is larger than the sum of its proper divisors (43331521).

61312575 is a wasteful number, since it uses less digits than its factorization.

61312575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26415 (or 26410 counting only the distinct ones).

The product of its digits is 6300, while the sum is 30.

The square root of 61312575 is about 7830.2346708129. The cubic root of 61312575 is about 394.3209504884.

The spelling of 61312575 in words is "sixty-one million, three hundred twelve thousand, five hundred seventy-five".