25259057 has 2 divisors, whose sum is σ = 25259058. Its totient is φ = 25259056.

The previous prime is 25259053. The next prime is 25259077. The reversal of 25259057 is 75095252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18284176 + 6974881 = 4276^2 + 2641^2 .

It is a cyclic number.

It is not a de Polignac number, because 25259057 - 2² = 25259053 is a prime.

It is not a weakly prime, because it can be changed into another prime (25259051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12629528 + 12629529.

It is an arithmetic number, because the mean of its divisors is an integer number (12629529).

Almost surely, 2^25259057 is an apocalyptic number.

It is an amenable number.

25259057 is a deficient number, since it is larger than the sum of its proper divisors (1).

25259057 is an equidigital number, since it uses as much as digits as its factorization.

25259057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31500, while the sum is 35.

The square root of 25259057 is about 5025.8389349441. The cubic root of 25259057 is about 293.4082882087.

The spelling of 25259057 in words is "twenty-five million, two hundred fifty-nine thousand, fifty-seven".