964652531 has 4 divisors (see below), whose sum is σ = 964737432. Its totient is φ = 964567632.

The previous prime is 964652519. The next prime is 964652603. The reversal of 964652531 is 135256469.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 135256469 = 2063 ⋅65563.

It is a cyclic number.

It is not a de Polignac number, because 964652531 - 2⁶ = 964652467 is a prime.

It is a super-2 number, since 2×964652531² = 1861109011129411922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (964652501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22181 + ... + 49206.

It is an arithmetic number, because the mean of its divisors is an integer number (241184358).

Almost surely, 2^964652531 is an apocalyptic number.

964652531 is a deficient number, since it is larger than the sum of its proper divisors (84901).

964652531 is a wasteful number, since it uses less digits than its factorization.

964652531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84900.

The product of its digits is 194400, while the sum is 41.

The square root of 964652531 is about 31058.8559190451. The cubic root of 964652531 is about 988.0758911009.

The spelling of 964652531 in words is "nine hundred sixty-four million, six hundred fifty-two thousand, five hundred thirty-one".