7056631 has 2 divisors, whose sum is σ = 7056632. Its totient is φ = 7056630.

The previous prime is 7056617. The next prime is 7056661. The reversal of 7056631 is 1366507.

It is a weak prime.

It is an emirp because it is prime and its reverse (1366507) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7056631 - 2⁷ = 7056503 is a prime.

It is a super-2 number, since 2×7056631² = 99592082140322, which contains 22 as substring.

7056631 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 7056631.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7056611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3528315 + 3528316.

It is an arithmetic number, because the mean of its divisors is an integer number (3528316).

Almost surely, 2^7056631 is an apocalyptic number.

7056631 is a deficient number, since it is larger than the sum of its proper divisors (1).

7056631 is an equidigital number, since it uses as much as digits as its factorization.

7056631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 7056631 is about 2656.4320055292. The cubic root of 7056631 is about 191.8075962462.

The spelling of 7056631 in words is "seven million, fifty-six thousand, six hundred thirty-one".