25769495 has 4 divisors (see below), whose sum is σ = 30923400. Its totient is φ = 20615592.

The previous prime is 25769483. The next prime is 25769503. The reversal of 25769495 is 59496752.

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 25769495 - 2⁴ = 25769479 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2576945 + ... + 2576954.

It is an arithmetic number, because the mean of its divisors is an integer number (7730850).

Almost surely, 2^25769495 is an apocalyptic number.

25769495 is a deficient number, since it is larger than the sum of its proper divisors (5153905).

25769495 is an equidigital number, since it uses as much as digits as its factorization.

25769495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5153904.

The product of its digits is 680400, while the sum is 47.

The square root of 25769495 is about 5076.3663185393. The cubic root of 25769495 is about 295.3715322672.

The spelling of 25769495 in words is "twenty-five million, seven hundred sixty-nine thousand, four hundred ninety-five".