546490631 has 2 divisors, whose sum is σ = 546490632. Its totient is φ = 546490630.

The previous prime is 546490583. The next prime is 546490639. The reversal of 546490631 is 136094645.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-546490631 is a prime.

It is a super-2 number, since 2×546490631² = 597304019541556322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (546490639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 273245315 + 273245316.

It is an arithmetic number, because the mean of its divisors is an integer number (273245316).

Almost surely, 2^546490631 is an apocalyptic number.

546490631 is a deficient number, since it is larger than the sum of its proper divisors (1).

546490631 is an equidigital number, since it uses as much as digits as its factorization.

546490631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 546490631 is about 23377.1390679014. The cubic root of 546490631 is about 817.5749446079.

The spelling of 546490631 in words is "five hundred forty-six million, four hundred ninety thousand, six hundred thirty-one".