494383531 has 2 divisors, whose sum is σ = 494383532. Its totient is φ = 494383530.

The previous prime is 494383471. The next prime is 494383537. The reversal of 494383531 is 135383494.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 494383531 - 2¹¹ = 494381483 is a prime.

It is a super-2 number, since 2×494383531² = 488830151448055922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (494383537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247191765 + 247191766.

It is an arithmetic number, because the mean of its divisors is an integer number (247191766).

Almost surely, 2^494383531 is an apocalyptic number.

494383531 is a deficient number, since it is larger than the sum of its proper divisors (1).

494383531 is an equidigital number, since it uses as much as digits as its factorization.

494383531 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 155520, while the sum is 40.

The square root of 494383531 is about 22234.7370346492. The cubic root of 494383531 is about 790.7174655008.

The spelling of 494383531 in words is "four hundred ninety-four million, three hundred eighty-three thousand, five hundred thirty-one".