531059479 has 4 divisors (see below), whose sum is σ = 531238176. Its totient is φ = 530880784.

The previous prime is 531059471. The next prime is 531059491. The reversal of 531059479 is 974950135.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 531059479 - 2³ = 531059471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531059471) 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, 84814 + ... + 90859.

It is an arithmetic number, because the mean of its divisors is an integer number (132809544).

Almost surely, 2^531059479 is an apocalyptic number.

531059479 is a deficient number, since it is larger than the sum of its proper divisors (178697).

531059479 is a wasteful number, since it uses less digits than its factorization.

531059479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178696.

The product of its (nonzero) digits is 170100, while the sum is 43.

The square root of 531059479 is about 23044.7277918399. The cubic root of 531059479 is about 809.8061208483.

The spelling of 531059479 in words is "five hundred thirty-one million, fifty-nine thousand, four hundred seventy-nine".