25464163 has 2 divisors, whose sum is σ = 25464164. Its totient is φ = 25464162.

The previous prime is 25464143. The next prime is 25464167. The reversal of 25464163 is 36146452.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25464163 is a prime.

It is not a weakly prime, because it can be changed into another prime (25464167) 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, 12732081 + 12732082.

It is an arithmetic number, because the mean of its divisors is an integer number (12732082).

Almost surely, 2^25464163 is an apocalyptic number.

25464163 is a deficient number, since it is larger than the sum of its proper divisors (1).

25464163 is an equidigital number, since it uses as much as digits as its factorization.

25464163 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 31.

The square root of 25464163 is about 5046.2028298514. The cubic root of 25464163 is about 294.2003162275.

The spelling of 25464163 in words is "twenty-five million, four hundred sixty-four thousand, one hundred sixty-three".