531064349 has 4 divisors (see below), whose sum is σ = 544017180. Its totient is φ = 518111520.

The previous prime is 531064333. The next prime is 531064351. The reversal of 531064349 is 943460135.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 157879225 + 373185124 = 12565^2 + 19318^2 .

It is a cyclic number.

It is not a de Polignac number, because 531064349 - 2⁴ = 531064333 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531063349) 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, 6476354 + ... + 6476435.

It is an arithmetic number, because the mean of its divisors is an integer number (136004295).

Almost surely, 2^531064349 is an apocalyptic number.

It is an amenable number.

531064349 is a deficient number, since it is larger than the sum of its proper divisors (12952831).

531064349 is a wasteful number, since it uses less digits than its factorization.

531064349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12952830.

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 531064349 is about 23044.8334556794. The cubic root of 531064349 is about 809.8085962419.

The spelling of 531064349 in words is "five hundred thirty-one million, sixty-four thousand, three hundred forty-nine".