25551153 has 16 divisors (see below), whose sum is σ = 40080960. Its totient is φ = 16031808.

The previous prime is 25551139. The next prime is 25551173. The reversal of 25551153 is 35115552.

It is not a de Polignac number, because 25551153 - 2⁹ = 25550641 is a prime.

It is a super-2 number, since 2×25551153² = 1305722839258818, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (25551173) 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 15 ways as a sum of consecutive naturals, for example, 27375 + ... + 28292.

It is an arithmetic number, because the mean of its divisors is an integer number (2505060).

Almost surely, 2^25551153 is an apocalyptic number.

It is an amenable number.

25551153 is a deficient number, since it is larger than the sum of its proper divisors (14529807).

25551153 is a wasteful number, since it uses less digits than its factorization.

25551153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55693 (or 55687 counting only the distinct ones).

The product of its digits is 3750, while the sum is 27.

The square root of 25551153 is about 5054.8148334039. The cubic root of 25551153 is about 294.5349485746.

The spelling of 25551153 in words is "twenty-five million, five hundred fifty-one thousand, one hundred fifty-three".