64352031 has 32 divisors (see below), whose sum is σ = 92951040. Its totient is φ = 39481344.

The previous prime is 64351981. The next prime is 64352033. The reversal of 64352031 is 13025346.

It is a happy number.

It is not a de Polignac number, because 64352031 - 2⁶ = 64351967 is a prime.

It is a super-2 number, since 2×64352031² = 8282367787649922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 64351992 and 64352010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64352033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 569431 + ... + 569543.

It is an arithmetic number, because the mean of its divisors is an integer number (2904720).

Almost surely, 2^64352031 is an apocalyptic number.

64352031 is a deficient number, since it is larger than the sum of its proper divisors (28599009).

64352031 is a wasteful number, since it uses less digits than its factorization.

64352031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 64352031 is about 8021.9717650962. The cubic root of 64352031 is about 400.7320573295.

Adding to 64352031 its reverse (13025346), we get a palindrome (77377377).

The spelling of 64352031 in words is "sixty-four million, three hundred fifty-two thousand, thirty-one".