2725431 has 8 divisors (see below), whose sum is σ = 3792000. Its totient is φ = 1737912.

The previous prime is 2725369. The next prime is 2725433. The reversal of 2725431 is 1345272.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2725431 - 2⁶ = 2725367 is a prime.

It is a super-2 number, since 2×2725431² = 14855948271522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2725433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19681 + ... + 19818.

It is an arithmetic number, because the mean of its divisors is an integer number (474000).

2^2725431 is an apocalyptic number.

2725431 is a deficient number, since it is larger than the sum of its proper divisors (1066569).

2725431 is a wasteful number, since it uses less digits than its factorization.

2725431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39525.

The product of its digits is 1680, while the sum is 24.

The square root of 2725431 is about 1650.8879428962. The cubic root of 2725431 is about 139.6834856385.

The spelling of 2725431 in words is "two million, seven hundred twenty-five thousand, four hundred thirty-one".