545499631 has 2 divisors, whose sum is σ = 545499632. Its totient is φ = 545499630.

The previous prime is 545499611. The next prime is 545499641. The reversal of 545499631 is 136994545.

545499631 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 545499631 - 2¹⁵ = 545466863 is a prime.

It is a super-2 number, since 2×545499631² = 595139694842272322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (545499611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272749815 + 272749816.

It is an arithmetic number, because the mean of its divisors is an integer number (272749816).

Almost surely, 2^545499631 is an apocalyptic number.

545499631 is a deficient number, since it is larger than the sum of its proper divisors (1).

545499631 is an equidigital number, since it uses as much as digits as its factorization.

545499631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 583200, while the sum is 46.

The square root of 545499631 is about 23355.9335287631. The cubic root of 545499631 is about 817.0804518304.

The spelling of 545499631 in words is "five hundred forty-five million, four hundred ninety-nine thousand, six hundred thirty-one".