524730649 has 3 divisors (see below), whose sum is σ = 524753557. Its totient is φ = 524707742.

The previous prime is 524730641. The next prime is 524730691. The reversal of 524730649 is 946037425.

It is a happy number.

The square root of 524730649 is 22907.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 524730649 - 2³ = 524730641 is a prime.

It is a super-2 number, since 2×524730649² = 550684507999922402, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (524730641) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 11454 + ... + 34360.

Almost surely, 2^524730649 is an apocalyptic number.

524730649 is the 22907-th square number.

524730649 is the 11454-th centered octagonal number.

It is an amenable number.

524730649 is a deficient number, since it is larger than the sum of its proper divisors (22908).

524730649 is an frugal number, since it uses more digits than its factorization.

524730649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45814 (or 22907 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 40.

The cubic root of 524730649 is about 806.5763379454.

The spelling of 524730649 in words is "five hundred twenty-four million, seven hundred thirty thousand, six hundred forty-nine".