96515631 has 10 divisors (see below), whose sum is σ = 144177792. Its totient is φ = 64343700.

The previous prime is 96515561. The next prime is 96515641. The reversal of 96515631 is 13651569.

96515631 is a `hidden beast` number, since 9 + 6 + 5 + 15 + 631 = 666.

It is not a de Polignac number, because 96515631 - 2⁹ = 96515119 is a prime.

It is a super-2 number, since 2×96515631² = 18630534054656322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (96515641) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 595695 + ... + 595856.

Almost surely, 2^96515631 is an apocalyptic number.

96515631 is a deficient number, since it is larger than the sum of its proper divisors (47662161).

96515631 is a wasteful number, since it uses less digits than its factorization.

96515631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1191563 (or 1191554 counting only the distinct ones).

The product of its digits is 24300, while the sum is 36.

The square root of 96515631 is about 9824.2369169315. The cubic root of 96515631 is about 458.7040255165.

The spelling of 96515631 in words is "ninety-six million, five hundred fifteen thousand, six hundred thirty-one".