25341187 has 2 divisors, whose sum is σ = 25341188. Its totient is φ = 25341186.

The previous prime is 25341179. The next prime is 25341191. The reversal of 25341187 is 78114352.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25341187 - 2³ = 25341179 is a prime.

It is not a weakly prime, because it can be changed into another prime (25341587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12670593 + 12670594.

It is an arithmetic number, because the mean of its divisors is an integer number (12670594).

Almost surely, 2^25341187 is an apocalyptic number.

25341187 is a deficient number, since it is larger than the sum of its proper divisors (1).

25341187 is an equidigital number, since it uses as much as digits as its factorization.

25341187 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6720, while the sum is 31.

The square root of 25341187 is about 5034.0030790614. The cubic root of 25341187 is about 293.7259505285.

Subtracting from 25341187 its sum of digits (31), we obtain a square (25341156 = 5034²).

It can be divided in two parts, 2534 and 1187, that added together give a square (3721 = 61²).

The spelling of 25341187 in words is "twenty-five million, three hundred forty-one thousand, one hundred eighty-seven".