25151155 has 8 divisors (see below), whose sum is σ = 31770000. Its totient is φ = 19061856.

The previous prime is 25151129. The next prime is 25151171. The reversal of 25151155 is 55115152.

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 25151155 - 2⁵ = 25151123 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132280 + ... + 132469.

It is an arithmetic number, because the mean of its divisors is an integer number (3971250).

Almost surely, 2^25151155 is an apocalyptic number.

25151155 is a deficient number, since it is larger than the sum of its proper divisors (6618845).

25151155 is a wasteful number, since it uses less digits than its factorization.

25151155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264773.

The product of its digits is 1250, while the sum is 25.

The square root of 25151155 is about 5015.0927209773. The cubic root of 25151155 is about 292.9898966413.

The spelling of 25151155 in words is "twenty-five million, one hundred fifty-one thousand, one hundred fifty-five".