64852831 has 2 divisors, whose sum is σ = 64852832. Its totient is φ = 64852830.

The previous prime is 64852819. The next prime is 64852861. The reversal of 64852831 is 13825846.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64852831 - 2⁷ = 64852703 is a prime.

It is a super-2 number, since 2×64852831² = 8411779377429122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64852861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32426415 + 32426416.

It is an arithmetic number, because the mean of its divisors is an integer number (32426416).

Almost surely, 2^64852831 is an apocalyptic number.

64852831 is a deficient number, since it is larger than the sum of its proper divisors (1).

64852831 is an equidigital number, since it uses as much as digits as its factorization.

64852831 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46080, while the sum is 37.

The square root of 64852831 is about 8053.1255422972. The cubic root of 64852831 is about 401.7688972255.

It can be divided in two parts, 6485 and 2831, that added together give a triangular number (9316 = T₁₃₆).

The spelling of 64852831 in words is "sixty-four million, eight hundred fifty-two thousand, eight hundred thirty-one".