61316465 has 16 divisors (see below), whose sum is σ = 84564480. Its totient is φ = 41808960.

The previous prime is 61316429. The next prime is 61316471. The reversal of 61316465 is 56461316.

It is not a de Polignac number, because 61316465 - 2¹² = 61312369 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1496 + ... + 11174.

It is an arithmetic number, because the mean of its divisors is an integer number (5285280).

Almost surely, 2^61316465 is an apocalyptic number.

It is an amenable number.

61316465 is a deficient number, since it is larger than the sum of its proper divisors (23248015).

61316465 is a wasteful number, since it uses less digits than its factorization.

61316465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9872.

The product of its digits is 12960, while the sum is 32.

The square root of 61316465 is about 7830.4830630045. The cubic root of 61316465 is about 394.3292895937.

The spelling of 61316465 in words is "sixty-one million, three hundred sixteen thousand, four hundred sixty-five".