25013893 has 2 divisors, whose sum is σ = 25013894. Its totient is φ = 25013892.

The previous prime is 25013803. The next prime is 25013909. The reversal of 25013893 is 39831052.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24433249 + 580644 = 4943^2 + 762^2 .

It is a cyclic number.

It is not a de Polignac number, because 25013893 - 2⁹ = 25013381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25013803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12506946 + 12506947.

It is an arithmetic number, because the mean of its divisors is an integer number (12506947).

Almost surely, 2^25013893 is an apocalyptic number.

It is an amenable number.

25013893 is a deficient number, since it is larger than the sum of its proper divisors (1).

25013893 is an equidigital number, since it uses as much as digits as its factorization.

25013893 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 25013893 is about 5001.3891070382. The cubic root of 25013893 is about 292.4559282955.

The spelling of 25013893 in words is "twenty-five million, thirteen thousand, eight hundred ninety-three".