25113155 has 8 divisors (see below), whose sum is σ = 31722000. Its totient is φ = 19033056.

The previous prime is 25113139. The next prime is 25113211. The reversal of 25113155 is 55131152.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25113155 - 2⁴ = 25113139 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25113155.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132080 + ... + 132269.

It is an arithmetic number, because the mean of its divisors is an integer number (3965250).

Almost surely, 2^25113155 is an apocalyptic number.

25113155 is a deficient number, since it is larger than the sum of its proper divisors (6608845).

25113155 is a wasteful number, since it uses less digits than its factorization.

25113155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264373.

The product of its digits is 750, while the sum is 23.

The square root of 25113155 is about 5011.3027248411. The cubic root of 25113155 is about 292.8422662056.

The spelling of 25113155 in words is "twenty-five million, one hundred thirteen thousand, one hundred fifty-five".