25254451 has 2 divisors, whose sum is σ = 25254452. Its totient is φ = 25254450.

The previous prime is 25254403. The next prime is 25254497. The reversal of 25254451 is 15445252.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25254451 - 2⁷ = 25254323 is a prime.

It is a super-2 number, since 2×25254451² = 1275574590622802, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (25254751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12627225 + 12627226.

It is an arithmetic number, because the mean of its divisors is an integer number (12627226).

Almost surely, 2^25254451 is an apocalyptic number.

25254451 is a deficient number, since it is larger than the sum of its proper divisors (1).

25254451 is an equidigital number, since it uses as much as digits as its factorization.

25254451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8000, while the sum is 28.

The square root of 25254451 is about 5025.3806820976. The cubic root of 25254451 is about 293.3904527484.

The spelling of 25254451 in words is "twenty-five million, two hundred fifty-four thousand, four hundred fifty-one".