531894769 has 4 divisors (see below), whose sum is σ = 607879744. Its totient is φ = 455909796.

The previous prime is 531894767. The next prime is 531894773. The reversal of 531894769 is 967498135.

It is a happy number.

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 not a de Polignac number, because 531894769 - 2¹ = 531894767 is a prime.

It is a super-2 number, since 2×531894769² = 565824090579126722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (531894761) 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, 37992477 + ... + 37992490.

It is an arithmetic number, because the mean of its divisors is an integer number (151969936).

Almost surely, 2^531894769 is an apocalyptic number.

It is an amenable number.

531894769 is a deficient number, since it is larger than the sum of its proper divisors (75984975).

531894769 is an equidigital number, since it uses as much as digits as its factorization.

531894769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75984974.

The product of its digits is 1632960, while the sum is 52.

The square root of 531894769 is about 23062.8439052949. The cubic root of 531894769 is about 810.2304729521.

The spelling of 531894769 in words is "five hundred thirty-one million, eight hundred ninety-four thousand, seven hundred sixty-nine".