25072163 has 2 divisors, whose sum is σ = 25072164. Its totient is φ = 25072162.

The previous prime is 25072123. The next prime is 25072189. The reversal of 25072163 is 36127052.

It is an a-pointer prime, because the next prime (25072189) can be obtained adding 25072163 to its sum of digits (26).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25072163 - 2¹⁰ = 25071139 is a prime.

It is a super-2 number, since 2×25072163² = 1257226714997138, which contains 22 as substring.

It is a Chen prime.

It is an alternating number because its digits alternate between even and odd.

It is not a weakly prime, because it can be changed into another prime (25072123) 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, 12536081 + 12536082.

It is an arithmetic number, because the mean of its divisors is an integer number (12536082).

Almost surely, 2^25072163 is an apocalyptic number.

25072163 is a deficient number, since it is larger than the sum of its proper divisors (1).

25072163 is an equidigital number, since it uses as much as digits as its factorization.

25072163 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 25072163 is about 5007.2111000037. The cubic root of 25072163 is about 292.6828447450.

The spelling of 25072163 in words is "twenty-five million, seventy-two thousand, one hundred sixty-three".