25072937 has 2 divisors, whose sum is σ = 25072938. Its totient is φ = 25072936.

The previous prime is 25072933. The next prime is 25072961. The reversal of 25072937 is 73927052.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19616041 + 5456896 = 4429^2 + 2336^2 .

It is a cyclic number.

It is not a de Polignac number, because 25072937 - 2² = 25072933 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 25072897 and 25072906.

It is not a weakly prime, because it can be changed into another prime (25072933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12536468 + 12536469.

It is an arithmetic number, because the mean of its divisors is an integer number (12536469).

Almost surely, 2^25072937 is an apocalyptic number.

It is an amenable number.

25072937 is a deficient number, since it is larger than the sum of its proper divisors (1).

25072937 is an equidigital number, since it uses as much as digits as its factorization.

25072937 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26460, while the sum is 35.

The square root of 25072937 is about 5007.2883879401. The cubic root of 25072937 is about 292.6858565073.

Adding to 25072937 its reverse (73927052), we get a palindrome (98999989).

The spelling of 25072937 in words is "twenty-five million, seventy-two thousand, nine hundred thirty-seven".