484991531 has 2 divisors, whose sum is σ = 484991532. Its totient is φ = 484991530.

The previous prime is 484991509. The next prime is 484991569. The reversal of 484991531 is 135199484.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 484991531 - 2²⁶ = 417882667 is a prime.

It is a super-2 number, since 2×484991531² = 470433570283447922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (484991231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 242495765 + 242495766.

It is an arithmetic number, because the mean of its divisors is an integer number (242495766).

Almost surely, 2^484991531 is an apocalyptic number.

484991531 is a deficient number, since it is larger than the sum of its proper divisors (1).

484991531 is an equidigital number, since it uses as much as digits as its factorization.

484991531 is an evil number, because the sum of its binary digits is even.

The product of its digits is 155520, while the sum is 44.

The square root of 484991531 is about 22022.5232659657. The cubic root of 484991531 is about 785.6782275983.

The spelling of 484991531 in words is "four hundred eighty-four million, nine hundred ninety-one thousand, five hundred thirty-one".