534974621 has 4 divisors (see below), whose sum is σ = 563131200. Its totient is φ = 506818044.

The previous prime is 534974611. The next prime is 534974681. The reversal of 534974621 is 126479435.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-534974621 is a prime.

It is a super-2 number, since 2×534974621² = 572395690228187282, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (534974611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14078261 + ... + 14078298.

It is an arithmetic number, because the mean of its divisors is an integer number (140782800).

Almost surely, 2^534974621 is an apocalyptic number.

It is an amenable number.

534974621 is a deficient number, since it is larger than the sum of its proper divisors (28156579).

534974621 is a wasteful number, since it uses less digits than its factorization.

534974621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28156578.

The product of its digits is 181440, while the sum is 41.

The square root of 534974621 is about 23129.5183910085. The cubic root of 534974621 is about 811.7913011056.

The spelling of 534974621 in words is "five hundred thirty-four million, nine hundred seventy-four thousand, six hundred twenty-one".