25023289 has 2 divisors, whose sum is σ = 25023290. Its totient is φ = 25023288.

The previous prime is 25023283. The next prime is 25023301. The reversal of 25023289 is 98232052.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24176889 + 846400 = 4917^2 + 920^2 .

It is a cyclic number.

It is not a de Polignac number, because 25023289 - 2³ = 25023281 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25023289.

It is not a weakly prime, because it can be changed into another prime (25023281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12511644 + 12511645.

It is an arithmetic number, because the mean of its divisors is an integer number (12511645).

Almost surely, 2^25023289 is an apocalyptic number.

It is an amenable number.

25023289 is a deficient number, since it is larger than the sum of its proper divisors (1).

25023289 is an equidigital number, since it uses as much as digits as its factorization.

25023289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 25023289 is about 5002.3283578750. The cubic root of 25023289 is about 292.4925422405.

The spelling of 25023289 in words is "twenty-five million, twenty-three thousand, two hundred eighty-nine".