25132291 has 2 divisors, whose sum is σ = 25132292. Its totient is φ = 25132290.

The previous prime is 25132259. The next prime is 25132297. The reversal of 25132291 is 19223152.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25132291 - 2⁵ = 25132259 is a prime.

It is not a weakly prime, because it can be changed into another prime (25132297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12566145 + 12566146.

It is an arithmetic number, because the mean of its divisors is an integer number (12566146).

Almost surely, 2^25132291 is an apocalyptic number.

25132291 is a deficient number, since it is larger than the sum of its proper divisors (1).

25132291 is an equidigital number, since it uses as much as digits as its factorization.

25132291 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1080, while the sum is 25.

The square root of 25132291 is about 5013.2116452430. The cubic root of 25132291 is about 292.9166283855.

The spelling of 25132291 in words is "twenty-five million, one hundred thirty-two thousand, two hundred ninety-one".