61464931 has 16 divisors (see below), whose sum is σ = 69062400. Its totient is φ = 54220320.

The previous prime is 61464917. The next prime is 61464937. The reversal of 61464931 is 13946416.

It is not a de Polignac number, because 61464931 - 2⁵ = 61464899 is a prime.

It is a super-2 number, since 2×61464931² = 7555875485669522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (61464937) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93801 + ... + 94453.

It is an arithmetic number, because the mean of its divisors is an integer number (4316400).

Almost surely, 2^61464931 is an apocalyptic number.

61464931 is a deficient number, since it is larger than the sum of its proper divisors (7597469).

61464931 is a wasteful number, since it uses less digits than its factorization.

61464931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 906.

The product of its digits is 15552, while the sum is 34.

The square root of 61464931 is about 7839.9573340676. The cubic root of 61464931 is about 394.6472971869.

The spelling of 61464931 in words is "sixty-one million, four hundred sixty-four thousand, nine hundred thirty-one".