80527631 has 2 divisors, whose sum is σ = 80527632. Its totient is φ = 80527630.

The previous prime is 80527619. The next prime is 80527637. The reversal of 80527631 is 13672508.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80527631 - 2¹⁸ = 80265487 is a prime.

It is a super-2 number, since 2×80527631² = 12969398708944322, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80527637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40263815 + 40263816.

It is an arithmetic number, because the mean of its divisors is an integer number (40263816).

Almost surely, 2^80527631 is an apocalyptic number.

80527631 is a deficient number, since it is larger than the sum of its proper divisors (1).

80527631 is an equidigital number, since it uses as much as digits as its factorization.

80527631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 80527631 is about 8973.7189057826. The cubic root of 80527631 is about 431.8321517999.

The spelling of 80527631 in words is "eighty million, five hundred twenty-seven thousand, six hundred thirty-one".