25233137 has 2 divisors, whose sum is σ = 25233138. Its totient is φ = 25233136.

The previous prime is 25233127. The next prime is 25233167. The reversal of 25233137 is 73133252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15241216 + 9991921 = 3904^2 + 3161^2 .

It is a cyclic number.

It is not a de Polignac number, because 25233137 - 2⁸ = 25232881 is a prime.

It is a super-2 number, since 2×25233137² = 1273422405721538, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (25233127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12616568 + 12616569.

It is an arithmetic number, because the mean of its divisors is an integer number (12616569).

Almost surely, 2^25233137 is an apocalyptic number.

It is an amenable number.

25233137 is a deficient number, since it is larger than the sum of its proper divisors (1).

25233137 is an equidigital number, since it uses as much as digits as its factorization.

25233137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3780, while the sum is 26.

The square root of 25233137 is about 5023.2595991049. The cubic root of 25233137 is about 293.3078919337.

Adding to 25233137 its reverse (73133252), we get a palindrome (98366389).

The spelling of 25233137 in words is "twenty-five million, two hundred thirty-three thousand, one hundred thirty-seven".