25385495 has 4 divisors (see below), whose sum is σ = 30462600. Its totient is φ = 20308392.

The previous prime is 25385489. The next prime is 25385509. The reversal of 25385495 is 59458352.

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 25385495 - 2¹⁴ = 25369111 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, 2538545 + ... + 2538554.

It is an arithmetic number, because the mean of its divisors is an integer number (7615650).

Almost surely, 2^25385495 is an apocalyptic number.

25385495 is a deficient number, since it is larger than the sum of its proper divisors (5077105).

25385495 is an equidigital number, since it uses as much as digits as its factorization.

25385495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5077104.

The product of its digits is 216000, while the sum is 41.

The square root of 25385495 is about 5038.4020284213. The cubic root of 25385495 is about 293.8970400112.

The spelling of 25385495 in words is "twenty-five million, three hundred eighty-five thousand, four hundred ninety-five".