2525155 has 4 divisors (see below), whose sum is σ = 3030192. Its totient is φ = 2020120.

The previous prime is 2525137. The next prime is 2525161. The reversal of 2525155 is 5515252.

It is a happy number.

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

It is not a de Polignac number, because 2525155 - 2⁵ = 2525123 is a prime.

It is an Ulam number.

It is a Duffinian 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, 252511 + ... + 252520.

It is an arithmetic number, because the mean of its divisors is an integer number (757548).

2^2525155 is an apocalyptic number.

2525155 is a deficient number, since it is larger than the sum of its proper divisors (505037).

2525155 is an equidigital number, since it uses as much as digits as its factorization.

2525155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505036.

The product of its digits is 2500, while the sum is 25.

The square root of 2525155 is about 1589.0736295087. The cubic root of 2525155 is about 136.1745703748.

The spelling of 2525155 in words is "two million, five hundred twenty-five thousand, one hundred fifty-five".