25953511 has 2 divisors, whose sum is σ = 25953512. Its totient is φ = 25953510.

The previous prime is 25953493. The next prime is 25953559. The reversal of 25953511 is 11535952.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25953511 - 2⁷ = 25953383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25953581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12976755 + 12976756.

It is an arithmetic number, because the mean of its divisors is an integer number (12976756).

Almost surely, 2^25953511 is an apocalyptic number.

25953511 is a deficient number, since it is larger than the sum of its proper divisors (1).

25953511 is an equidigital number, since it uses as much as digits as its factorization.

25953511 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6750, while the sum is 31.

The square root of 25953511 is about 5094.4588525181. The cubic root of 25953511 is about 296.0729329352.

The spelling of 25953511 in words is "twenty-five million, nine hundred fifty-three thousand, five hundred eleven".