3135625 has 20 divisors (see below), whose sum is σ = 4076820. Its totient is φ = 2408000.

The previous prime is 3135623. The next prime is 3135641. The reversal of 3135625 is 5265313.

It is a happy number.

It can be written as a sum of positive squares in 10 ways, for example, as 1666681 + 1468944 = 1291^2 + 1212^2 .

It is not a de Polignac number, because 3135625 - 2¹ = 3135623 is a prime.

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

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 3135625.

It is not an unprimeable number, because it can be changed into a prime (3135623) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 18039 + ... + 18211.

It is an arithmetic number, because the mean of its divisors is an integer number (203841).

Almost surely, 2^3135625 is an apocalyptic number.

It is an amenable number.

3135625 is a deficient number, since it is larger than the sum of its proper divisors (941195).

3135625 is an equidigital number, since it uses as much as digits as its factorization.

3135625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222 (or 207 counting only the distinct ones).

The product of its digits is 2700, while the sum is 25.

The square root of 3135625 is about 1770.7696066965. The cubic root of 3135625 is about 146.3663938161.

The spelling of 3135625 in words is "three million, one hundred thirty-five thousand, six hundred twenty-five".