3155425 has 48 divisors (see below), whose sum is σ = 5138560. Its totient is φ = 1866240.

The previous prime is 3155417. The next prime is 3155429. The reversal of 3155425 is 5245513.

It is not a de Polignac number, because 3155425 - 2³ = 3155417 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a d-powerful number, because it can be written as 3⁸ + 1 + 5 + 5 + 4¹⁰ + 2²¹ + 5⁵ .

It is a nialpdrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 3155425.

It is not an unprimeable number, because it can be changed into a prime (3155429) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 43189 + ... + 43261.

Almost surely, 2^3155425 is an apocalyptic number.

3155425 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3155425 is a deficient number, since it is larger than the sum of its proper divisors (1983135).

3155425 is a wasteful number, since it uses less digits than its factorization.

3155425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122 (or 117 counting only the distinct ones).

The product of its digits is 3000, while the sum is 25.

The square root of 3155425 is about 1776.3515980796. The cubic root of 3155425 is about 146.6738259820.

The spelling of 3155425 in words is "three million, one hundred fifty-five thousand, four hundred twenty-five".