25362257 has 2 divisors, whose sum is σ = 25362258. Its totient is φ = 25362256.

The previous prime is 25362223. The next prime is 25362277. The reversal of 25362257 is 75226352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25361296 + 961 = 5036^2 + 31^2 .

It is a cyclic number.

It is not a de Polignac number, because 25362257 - 2¹⁰ = 25361233 is a prime.

It is not a weakly prime, because it can be changed into another prime (25362277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12681128 + 12681129.

It is an arithmetic number, because the mean of its divisors is an integer number (12681129).

Almost surely, 2^25362257 is an apocalyptic number.

It is an amenable number.

25362257 is a deficient number, since it is larger than the sum of its proper divisors (1).

25362257 is an equidigital number, since it uses as much as digits as its factorization.

25362257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25200, while the sum is 32.

The square root of 25362257 is about 5036.0954121224. The cubic root of 25362257 is about 293.8073343949.

The spelling of 25362257 in words is "twenty-five million, three hundred sixty-two thousand, two hundred fifty-seven".