25437233 has 2 divisors, whose sum is σ = 25437234. Its totient is φ = 25437232.

The previous prime is 25437173. The next prime is 25437239. The reversal of 25437233 is 33273452.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24482704 + 954529 = 4948^2 + 977^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25437233 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 25437196 and 25437205.

It is not a weakly prime, because it can be changed into another prime (25437239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12718616 + 12718617.

It is an arithmetic number, because the mean of its divisors is an integer number (12718617).

Almost surely, 2^25437233 is an apocalyptic number.

It is an amenable number.

25437233 is a deficient number, since it is larger than the sum of its proper divisors (1).

25437233 is an equidigital number, since it uses as much as digits as its factorization.

25437233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15120, while the sum is 29.

The square root of 25437233 is about 5043.5337809913. The cubic root of 25437233 is about 294.0965676885.

The spelling of 25437233 in words is "twenty-five million, four hundred thirty-seven thousand, two hundred thirty-three".