25115371 has 2 divisors, whose sum is σ = 25115372. Its totient is φ = 25115370.

The previous prime is 25115357. The next prime is 25115381. The reversal of 25115371 is 17351152.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25115371 - 2⁵ = 25115339 is a prime.

It is not a weakly prime, because it can be changed into another prime (25115381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12557685 + 12557686.

It is an arithmetic number, because the mean of its divisors is an integer number (12557686).

Almost surely, 2^25115371 is an apocalyptic number.

25115371 is a deficient number, since it is larger than the sum of its proper divisors (1).

25115371 is an equidigital number, since it uses as much as digits as its factorization.

25115371 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1050, while the sum is 25.

The square root of 25115371 is about 5011.5238201569. The cubic root of 25115371 is about 292.8508794785.

The spelling of 25115371 in words is "twenty-five million, one hundred fifteen thousand, three hundred seventy-one".