490733531 has 2 divisors, whose sum is σ = 490733532. Its totient is φ = 490733530.

The previous prime is 490733491. The next prime is 490733549. The reversal of 490733531 is 135337094.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 490733531 - 2¹⁰ = 490732507 is a prime.

It is a super-2 number, since 2×490733531² = 481638796895455922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 490733491 and 490733500.

It is not a weakly prime, because it can be changed into another prime (490733561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 245366765 + 245366766.

It is an arithmetic number, because the mean of its divisors is an integer number (245366766).

Almost surely, 2^490733531 is an apocalyptic number.

490733531 is a deficient number, since it is larger than the sum of its proper divisors (1).

490733531 is an equidigital number, since it uses as much as digits as its factorization.

490733531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34020, while the sum is 35.

The square root of 490733531 is about 22152.5062013308. The cubic root of 490733531 is about 788.7667190882.

The spelling of 490733531 in words is "four hundred ninety million, seven hundred thirty-three thousand, five hundred thirty-one".