25157453 has 2 divisors, whose sum is σ = 25157454. Its totient is φ = 25157452.

The previous prime is 25157449. The next prime is 25157543. The reversal of 25157453 is 35475152.

Together with next prime (25157543) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18992164 + 6165289 = 4358^2 + 2483^2 .

It is a cyclic number.

It is not a de Polignac number, because 25157453 - 2² = 25157449 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25157443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12578726 + 12578727.

It is an arithmetic number, because the mean of its divisors is an integer number (12578727).

Almost surely, 2^25157453 is an apocalyptic number.

It is an amenable number.

25157453 is a deficient number, since it is larger than the sum of its proper divisors (1).

25157453 is an equidigital number, since it uses as much as digits as its factorization.

25157453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21000, while the sum is 32.

The square root of 25157453 is about 5015.7205863166. The cubic root of 25157453 is about 293.0143500759.

The spelling of 25157453 in words is "twenty-five million, one hundred fifty-seven thousand, four hundred fifty-three".