4013725 has 12 divisors (see below), whose sum is σ = 5138560. Its totient is φ = 3106800.

The previous prime is 4013699. The next prime is 4013729. The reversal of 4013725 is 5273104.

It is not a de Polignac number, because 4013725 - 2¹⁵ = 3980957 is a prime.

It is a super-2 number, since 2×4013725² = 32219976751250, which contains 22 as substring.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 4013696 and 4013705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4013729) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1815 + ... + 3364.

Almost surely, 2^4013725 is an apocalyptic number.

It is an amenable number.

4013725 is a deficient number, since it is larger than the sum of its proper divisors (1124835).

4013725 is a wasteful number, since it uses less digits than its factorization.

4013725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5220 (or 5215 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 4013725 is about 2003.4283116698. The cubic root of 4013725 is about 158.9214569290.

Adding to 4013725 its reverse (5273104), we get a palindrome (9286829).

The spelling of 4013725 in words is "four million, thirteen thousand, seven hundred twenty-five".