25212097 has 2 divisors, whose sum is σ = 25212098. Its totient is φ = 25212096.

The previous prime is 25212067. The next prime is 25212101. The reversal of 25212097 is 79021252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23386896 + 1825201 = 4836^2 + 1351^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25212097 is a prime.

It is not a weakly prime, because it can be changed into another prime (25212067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12606048 + 12606049.

It is an arithmetic number, because the mean of its divisors is an integer number (12606049).

Almost surely, 2^25212097 is an apocalyptic number.

It is an amenable number.

25212097 is a deficient number, since it is larger than the sum of its proper divisors (1).

25212097 is an equidigital number, since it uses as much as digits as its factorization.

25212097 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 28.

The square root of 25212097 is about 5021.1649046810. The cubic root of 25212097 is about 293.2263468597.

The spelling of 25212097 in words is "twenty-five million, two hundred twelve thousand, ninety-seven".