253625689 has 2 divisors, whose sum is σ = 253625690. Its totient is φ = 253625688.

The previous prime is 253625681. The next prime is 253625741. The reversal of 253625689 is 986526352.

253625689 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., 227768464 + 25857225 = 15092^2 + 5085^2 .

It is a cyclic number.

It is not a de Polignac number, because 253625689 - 2³ = 253625681 is a prime.

It is not a weakly prime, because it can be changed into another prime (253625681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126812844 + 126812845.

It is an arithmetic number, because the mean of its divisors is an integer number (126812845).

Almost surely, 2^253625689 is an apocalyptic number.

It is an amenable number.

253625689 is a deficient number, since it is larger than the sum of its proper divisors (1).

253625689 is an equidigital number, since it uses as much as digits as its factorization.

253625689 is an evil number, because the sum of its binary digits is even.

The product of its digits is 777600, while the sum is 46.

The square root of 253625689 is about 15925.6299404451. The cubic root of 253625689 is about 632.9913081854.

The spelling of 253625689 in words is "two hundred fifty-three million, six hundred twenty-five thousand, six hundred eighty-nine".