25414387 has 2 divisors, whose sum is σ = 25414388. Its totient is φ = 25414386.

The previous prime is 25414349. The next prime is 25414409. The reversal of 25414387 is 78341452.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25414387 - 2¹⁵ = 25381619 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is not a weakly prime, because it can be changed into another prime (25414187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12707193 + 12707194.

It is an arithmetic number, because the mean of its divisors is an integer number (12707194).

Almost surely, 2^25414387 is an apocalyptic number.

25414387 is a deficient number, since it is larger than the sum of its proper divisors (1).

25414387 is an equidigital number, since it uses as much as digits as its factorization.

25414387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 26880, while the sum is 34.

The square root of 25414387 is about 5041.2683919823. The cubic root of 25414387 is about 294.0084954430.

It can be divided in two parts, 254 and 14387, that added together give a palindrome (14641).

The spelling of 25414387 in words is "twenty-five million, four hundred fourteen thousand, three hundred eighty-seven".