25262407 has 2 divisors, whose sum is σ = 25262408. Its totient is φ = 25262406.

The previous prime is 25262387. The next prime is 25262411. The reversal of 25262407 is 70426252.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25262407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25262467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12631203 + 12631204.

It is an arithmetic number, because the mean of its divisors is an integer number (12631204).

Almost surely, 2^25262407 is an apocalyptic number.

25262407 is a deficient number, since it is larger than the sum of its proper divisors (1).

25262407 is an equidigital number, since it uses as much as digits as its factorization.

25262407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 25262407 is about 5026.1722015864. The cubic root of 25262407 is about 293.4212587947.

Adding to 25262407 its reverse (70426252), we get a palindrome (95688659).

The spelling of 25262407 in words is "twenty-five million, two hundred sixty-two thousand, four hundred seven".