270631 has 2 divisors, whose sum is σ = 270632. Its totient is φ = 270630.

The previous prime is 270619. The next prime is 270653. The reversal of 270631 is 136072.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-270631 is a prime.

It is a super-2 number, since 2×270631² = 146482276322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 270599 and 270608.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (270601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135315 + 135316.

It is an arithmetic number, because the mean of its divisors is an integer number (135316).

2²⁷⁰⁶³¹ is an apocalyptic number.

270631 is a deficient number, since it is larger than the sum of its proper divisors (1).

270631 is an equidigital number, since it uses as much as digits as its factorization.

270631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 270631 is about 520.2220679671. Note that the first 3 decimals coincide. The cubic root of 270631 is about 64.6833514652.

The spelling of 270631 in words is "two hundred seventy thousand, six hundred thirty-one".