25513097 has 2 divisors, whose sum is σ = 25513098. Its totient is φ = 25513096.

The previous prime is 25513043. The next prime is 25513109. The reversal of 25513097 is 79031552.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21335161 + 4177936 = 4619^2 + 2044^2 .

It is a cyclic number.

It is not a de Polignac number, because 25513097 - 2²⁰ = 24464521 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (25513297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12756548 + 12756549.

It is an arithmetic number, because the mean of its divisors is an integer number (12756549).

Almost surely, 2^25513097 is an apocalyptic number.

It is an amenable number.

25513097 is a deficient number, since it is larger than the sum of its proper divisors (1).

25513097 is an equidigital number, since it uses as much as digits as its factorization.

25513097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9450, while the sum is 32.

The square root of 25513097 is about 5051.0490989496. The cubic root of 25513097 is about 294.3886487001.

The spelling of 25513097 in words is "twenty-five million, five hundred thirteen thousand, ninety-seven".