625075249 has 2 divisors, whose sum is σ = 625075250. Its totient is φ = 625075248.

The previous prime is 625075211. The next prime is 625075259. The reversal of 625075249 is 942570526.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 389667600 + 235407649 = 19740^2 + 15343^2 .

It is a cyclic number.

It is not a de Polignac number, because 625075249 - 2¹⁹ = 624550961 is a prime.

It is not a weakly prime, because it can be changed into another prime (625075259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312537624 + 312537625.

It is an arithmetic number, because the mean of its divisors is an integer number (312537625).

Almost surely, 2^625075249 is an apocalyptic number.

It is an amenable number.

625075249 is a deficient number, since it is larger than the sum of its proper divisors (1).

625075249 is an equidigital number, since it uses as much as digits as its factorization.

625075249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 151200, while the sum is 40.

The square root of 625075249 is about 25001.5049347034. The cubic root of 625075249 is about 855.0222850227.

The spelling of 625075249 in words is "six hundred twenty-five million, seventy-five thousand, two hundred forty-nine".