524521494 has 40 divisors (see below), whose sum is σ = 1343221968. Its totient is φ = 149862960.

The previous prime is 524521471. The next prime is 524521499. The reversal of 524521494 is 494125425.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (524521499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 230137 + ... + 232404.

Almost surely, 2^524521494 is an apocalyptic number.

524521494 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

524521494 is an abundant number, since it is smaller than the sum of its proper divisors (818700474).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

524521494 is a wasteful number, since it uses less digits than its factorization.

524521494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462562 (or 462553 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 524521494 is about 22902.4342374342. The cubic root of 524521494 is about 806.4691579452.

The spelling of 524521494 in words is "five hundred twenty-four million, five hundred twenty-one thousand, four hundred ninety-four".