625090489 has 2 divisors, whose sum is σ = 625090490. Its totient is φ = 625090488.

The previous prime is 625090483. The next prime is 625090507. The reversal of 625090489 is 984090526.

625090489 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 560126889 + 64963600 = 23667^2 + 8060^2 .

It is a cyclic number.

It is not a de Polignac number, because 625090489 - 2⁵ = 625090457 is a prime.

It is not a weakly prime, because it can be changed into another prime (625090483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312545244 + 312545245.

It is an arithmetic number, because the mean of its divisors is an integer number (312545245).

Almost surely, 2^625090489 is an apocalyptic number.

It is an amenable number.

625090489 is a deficient number, since it is larger than the sum of its proper divisors (1).

625090489 is an equidigital number, since it uses as much as digits as its factorization.

625090489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 625090489 is about 25001.8097144987. The cubic root of 625090489 is about 855.0292337507.

The spelling of 625090489 in words is "six hundred twenty-five million, ninety thousand, four hundred eighty-nine".