4031625 has 32 divisors (see below), whose sum is σ = 7233408. Its totient is φ = 1982400.

The previous prime is 4031597. The next prime is 4031627. The reversal of 4031625 is 5261304.

It is a happy number.

It is not a de Polignac number, because 4031625 - 2⁶ = 4031561 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4031627) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4462 + ... + 5288.

It is an arithmetic number, because the mean of its divisors is an integer number (226044).

Almost surely, 2^4031625 is an apocalyptic number.

It is an amenable number.

4031625 is a deficient number, since it is larger than the sum of its proper divisors (3201783).

4031625 is a wasteful number, since it uses less digits than its factorization.

4031625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 858 (or 848 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 4031625 is about 2007.8906842754. The cubic root of 4031625 is about 159.1573538161.

Adding to 4031625 its reverse (5261304), we get a palindrome (9292929).

It can be divided in two parts, 4031 and 625, that added together give a triangular number (4656 = T₉₆).

The spelling of 4031625 in words is "four million, thirty-one thousand, six hundred twenty-five".