4025731 has 4 divisors (see below), whose sum is σ = 4080952. Its totient is φ = 3970512.

The previous prime is 4025717. The next prime is 4025743. The reversal of 4025731 is 1375204.

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

It is a cyclic number.

It is not a de Polignac number, because 4025731 - 2⁵ = 4025699 is a prime.

It is a super-2 number, since 2×4025731² = 32413020168722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4025431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27501 + ... + 27646.

It is an arithmetic number, because the mean of its divisors is an integer number (1020238).

Almost surely, 2^4025731 is an apocalyptic number.

4025731 is a deficient number, since it is larger than the sum of its proper divisors (55221).

4025731 is an equidigital number, since it uses as much as digits as its factorization.

4025731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55220.

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

The square root of 4025731 is about 2006.4224380723. The cubic root of 4025731 is about 159.0797564080.

The spelling of 4025731 in words is "four million, twenty-five thousand, seven hundred thirty-one".