625363523 has 2 divisors, whose sum is σ = 625363524. Its totient is φ = 625363522.

The previous prime is 625363517. The next prime is 625363561. The reversal of 625363523 is 325363526.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-625363523 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (625360523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312681761 + 312681762.

It is an arithmetic number, because the mean of its divisors is an integer number (312681762).

Almost surely, 2^625363523 is an apocalyptic number.

625363523 is a deficient number, since it is larger than the sum of its proper divisors (1).

625363523 is an equidigital number, since it uses as much as digits as its factorization.

625363523 is an evil number, because the sum of its binary digits is even.

The product of its digits is 97200, while the sum is 35.

The square root of 625363523 is about 25007.2694031156. The cubic root of 625363523 is about 855.1537053668.

The spelling of 625363523 in words is "six hundred twenty-five million, three hundred sixty-three thousand, five hundred twenty-three".