576536421 has 4 divisors (see below), whose sum is σ = 768715232. Its totient is φ = 384357612.

The previous prime is 576536417. The next prime is 576536449. The reversal of 576536421 is 124635675.

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 not a de Polignac number, because 576536421 - 2² = 576536417 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 576536421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (576536021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96089401 + ... + 96089406.

It is an arithmetic number, because the mean of its divisors is an integer number (192178808).

Almost surely, 2^576536421 is an apocalyptic number.

It is an amenable number.

576536421 is a deficient number, since it is larger than the sum of its proper divisors (192178811).

576536421 is a wasteful number, since it uses less digits than its factorization.

576536421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192178810.

The product of its digits is 151200, while the sum is 39.

The square root of 576536421 is about 24011.1728368274. The cubic root of 576536421 is about 832.2917362686.

The spelling of 576536421 in words is "five hundred seventy-six million, five hundred thirty-six thousand, four hundred twenty-one".