25755407 has 2 divisors, whose sum is σ = 25755408. Its totient is φ = 25755406.

The previous prime is 25755383. The next prime is 25755413. The reversal of 25755407 is 70455752.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25755407 - 2¹⁸ = 25493263 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25755487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12877703 + 12877704.

It is an arithmetic number, because the mean of its divisors is an integer number (12877704).

Almost surely, 2^25755407 is an apocalyptic number.

25755407 is a deficient number, since it is larger than the sum of its proper divisors (1).

25755407 is an equidigital number, since it uses as much as digits as its factorization.

25755407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 49000, while the sum is 35.

The square root of 25755407 is about 5074.9785221220. The cubic root of 25755407 is about 295.3176966154.

It can be divided in two parts, 25755 and 407, that added together give a palindrome (26162).

The spelling of 25755407 in words is "twenty-five million, seven hundred fifty-five thousand, four hundred seven".