25553711 has 2 divisors, whose sum is σ = 25553712. Its totient is φ = 25553710.

The previous prime is 25553663. The next prime is 25553719. The reversal of 25553711 is 11735552.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25553711 - 2¹⁴ = 25537327 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 (25553719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12776855 + 12776856.

It is an arithmetic number, because the mean of its divisors is an integer number (12776856).

Almost surely, 2^25553711 is an apocalyptic number.

25553711 is a deficient number, since it is larger than the sum of its proper divisors (1).

25553711 is an equidigital number, since it uses as much as digits as its factorization.

25553711 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5250, while the sum is 29.

The square root of 25553711 is about 5055.0678531549. The cubic root of 25553711 is about 294.5447771625.

The spelling of 25553711 in words is "twenty-five million, five hundred fifty-three thousand, seven hundred eleven".