25701959 has 4 divisors (see below), whose sum is σ = 25738920. Its totient is φ = 25665000.

The previous prime is 25701947. The next prime is 25701961. The reversal of 25701959 is 95910752.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25701959 - 2²⁴ = 8924743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25701919) 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 in 3 ways as a sum of consecutive naturals, for example, 17417 + ... + 18834.

It is an arithmetic number, because the mean of its divisors is an integer number (6434730).

Almost surely, 2^25701959 is an apocalyptic number.

25701959 is a deficient number, since it is larger than the sum of its proper divisors (36961).

25701959 is an equidigital number, since it uses as much as digits as its factorization.

25701959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36960.

The product of its (nonzero) digits is 28350, while the sum is 38.

The square root of 25701959 is about 5069.7099522557. The cubic root of 25701959 is about 295.1132725975.

The spelling of 25701959 in words is "twenty-five million, seven hundred one thousand, nine hundred fifty-nine".