625313287 has 2 divisors, whose sum is σ = 625313288. Its totient is φ = 625313286.

The previous prime is 625313281. The next prime is 625313327. The reversal of 625313287 is 782313526.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 625313287 - 2³ = 625313279 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (625313281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312656643 + 312656644.

It is an arithmetic number, because the mean of its divisors is an integer number (312656644).

Almost surely, 2^625313287 is an apocalyptic number.

625313287 is a deficient number, since it is larger than the sum of its proper divisors (1).

625313287 is an equidigital number, since it uses as much as digits as its factorization.

625313287 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60480, while the sum is 37.

The square root of 625313287 is about 25006.2649550068. The cubic root of 625313287 is about 855.1308063381.

The spelling of 625313287 in words is "six hundred twenty-five million, three hundred thirteen thousand, two hundred eighty-seven".