64484531 has 2 divisors, whose sum is σ = 64484532. Its totient is φ = 64484530.

The previous prime is 64484527. The next prime is 64484551. The reversal of 64484531 is 13548446.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64484531 - 2² = 64484527 is a prime.

It is a super-2 number, since 2×64484531² = 8316509476579922, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 64484491 and 64484500.

It is not a weakly prime, because it can be changed into another prime (64484501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32242265 + 32242266.

It is an arithmetic number, because the mean of its divisors is an integer number (32242266).

Almost surely, 2^64484531 is an apocalyptic number.

64484531 is a deficient number, since it is larger than the sum of its proper divisors (1).

64484531 is an equidigital number, since it uses as much as digits as its factorization.

64484531 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46080, while the sum is 35.

The square root of 64484531 is about 8030.2260864810. The cubic root of 64484531 is about 401.0069028233.

The spelling of 64484531 in words is "sixty-four million, four hundred eighty-four thousand, five hundred thirty-one".