1064056631 has 4 divisors (see below), whose sum is σ = 1160789064. Its totient is φ = 967324200.

The previous prime is 1064056589. The next prime is 1064056633. The reversal of 1064056631 is 1366504601.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1064056631 is a prime.

It is a super-2 number, since 2×1064056631² = 2264433027950140322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1064056633) 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, 48366200 + ... + 48366221.

It is an arithmetic number, because the mean of its divisors is an integer number (290197266).

Almost surely, 2^1064056631 is an apocalyptic number.

1064056631 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1064056631 is a deficient number, since it is larger than the sum of its proper divisors (96732433).

1064056631 is an equidigital number, since it uses as much as digits as its factorization.

1064056631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96732432.

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

The square root of 1064056631 is about 32619.8809163982. The cubic root of 1064056631 is about 1020.9118563075.

The spelling of 1064056631 in words is "one billion, sixty-four million, fifty-six thousand, six hundred thirty-one".