7249231 has 12 divisors (see below), whose sum is σ = 8036392. Its totient is φ = 6534000.

The previous prime is 7249223. The next prime is 7249237. The reversal of 7249231 is 1329427.

7249231 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 7249231 - 2³ = 7249223 is a prime.

It is a super-2 number, since 2×7249231² = 105102700182722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7249231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7249237) 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, 21736 + ... + 22066.

Almost surely, 2^7249231 is an apocalyptic number.

7249231 is a deficient number, since it is larger than the sum of its proper divisors (787161).

7249231 is a wasteful number, since it uses less digits than its factorization.

7249231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534 (or 523 counting only the distinct ones).

The product of its digits is 3024, while the sum is 28.

The square root of 7249231 is about 2692.4396000653. The cubic root of 7249231 is about 193.5369887914.

The spelling of 7249231 in words is "seven million, two hundred forty-nine thousand, two hundred thirty-one".