64825963 has 2 divisors, whose sum is σ = 64825964. Its totient is φ = 64825962.

The previous prime is 64825951. The next prime is 64825987. The reversal of 64825963 is 36952846.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64825963 - 2⁹ = 64825451 is a prime.

It is not a weakly prime, because it can be changed into another prime (64825903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32412981 + 32412982.

It is an arithmetic number, because the mean of its divisors is an integer number (32412982).

Almost surely, 2^64825963 is an apocalyptic number.

64825963 is a deficient number, since it is larger than the sum of its proper divisors (1).

64825963 is an equidigital number, since it uses as much as digits as its factorization.

64825963 is an evil number, because the sum of its binary digits is even.

The product of its digits is 311040, while the sum is 43.

The square root of 64825963 is about 8051.4571973029. The cubic root of 64825963 is about 401.7134063671.

The spelling of 64825963 in words is "sixty-four million, eight hundred twenty-five thousand, nine hundred sixty-three".