65625299 has 2 divisors, whose sum is σ = 65625300. Its totient is φ = 65625298.

The previous prime is 65625269. The next prime is 65625311. The reversal of 65625299 is 99252656.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 65625299 - 2²⁴ = 48848083 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (65625239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32812649 + 32812650.

It is an arithmetic number, because the mean of its divisors is an integer number (32812650).

Almost surely, 2^65625299 is an apocalyptic number.

65625299 is a deficient number, since it is larger than the sum of its proper divisors (1).

65625299 is an equidigital number, since it uses as much as digits as its factorization.

65625299 is an evil number, because the sum of its binary digits is even.

The product of its digits is 291600, while the sum is 44.

The square root of 65625299 is about 8100.9443276695. The cubic root of 65625299 is about 403.3577740959.

The spelling of 65625299 in words is "sixty-five million, six hundred twenty-five thousand, two hundred ninety-nine".