7056431 has 4 divisors (see below), whose sum is σ = 7077000. Its totient is φ = 7035864.

The previous prime is 7056421. The next prime is 7056451. The reversal of 7056431 is 1346507.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1346507 = 233 ⋅5779.

It is a cyclic number.

It is not a de Polignac number, because 7056431 - 2¹⁰ = 7055407 is a prime.

It is a super-2 number, since 2×7056431² = 99586436915522, 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 7056431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7056421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9761 + ... + 10458.

It is an arithmetic number, because the mean of its divisors is an integer number (1769250).

Almost surely, 2^7056431 is an apocalyptic number.

7056431 is a deficient number, since it is larger than the sum of its proper divisors (20569).

7056431 is a wasteful number, since it uses less digits than its factorization.

7056431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20568.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 7056431 is about 2656.3943607831. The cubic root of 7056431 is about 191.8057841501.

The spelling of 7056431 in words is "seven million, fifty-six thousand, four hundred thirty-one".