25220935 has 4 divisors (see below), whose sum is σ = 30265128. Its totient is φ = 20176744.

The previous prime is 25220929. The next prime is 25220941. The reversal of 25220935 is 53902252.

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

It is an interprime number because it is at equal distance from previous prime (25220929) and next prime (25220941).

It is a cyclic number.

It is not a de Polignac number, because 25220935 - 2⁹ = 25220423 is a prime.

It is a Duffinian number.

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, 2522089 + ... + 2522098.

It is an arithmetic number, because the mean of its divisors is an integer number (7566282).

Almost surely, 2^25220935 is an apocalyptic number.

25220935 is a deficient number, since it is larger than the sum of its proper divisors (5044193).

25220935 is an equidigital number, since it uses as much as digits as its factorization.

25220935 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5044192.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 25220935 is about 5022.0449022286. The cubic root of 25220935 is about 293.2606059655.

The spelling of 25220935 in words is "twenty-five million, two hundred twenty thousand, nine hundred thirty-five".