25426487 has 2 divisors, whose sum is σ = 25426488. Its totient is φ = 25426486.

The previous prime is 25426481. The next prime is 25426501. The reversal of 25426487 is 78462452.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25426487 - 2¹⁴ = 25410103 is a prime.

It is a super-2 number, since 2×25426487² = 1293012482322338, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25426487.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25426481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12713243 + 12713244.

It is an arithmetic number, because the mean of its divisors is an integer number (12713244).

Almost surely, 2^25426487 is an apocalyptic number.

25426487 is a deficient number, since it is larger than the sum of its proper divisors (1).

25426487 is an equidigital number, since it uses as much as digits as its factorization.

25426487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 107520, while the sum is 38.

The square root of 25426487 is about 5042.4683439760. The cubic root of 25426487 is about 294.0551479993.

The spelling of 25426487 in words is "twenty-five million, four hundred twenty-six thousand, four hundred eighty-seven".