25402963 has 2 divisors, whose sum is σ = 25402964. Its totient is φ = 25402962.

The previous prime is 25402873. The next prime is 25402967. The reversal of 25402963 is 36920452.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25402963 - 2¹³ = 25394771 is a prime.

It is not a weakly prime, because it can be changed into another prime (25402967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12701481 + 12701482.

It is an arithmetic number, because the mean of its divisors is an integer number (12701482).

Almost surely, 2^25402963 is an apocalyptic number.

25402963 is a deficient number, since it is larger than the sum of its proper divisors (1).

25402963 is an equidigital number, since it uses as much as digits as its factorization.

25402963 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 25402963 is about 5040.1352164401. The cubic root of 25402963 is about 293.9644356691.

The spelling of 25402963 in words is "twenty-five million, four hundred two thousand, nine hundred sixty-three".