531153013 has 4 divisors (see below), whose sum is σ = 532352448. Its totient is φ = 529953580.

The previous prime is 531153001. The next prime is 531153017. The reversal of 531153013 is 310351135.

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, and also an emirpimes, since its reverse is a distinct semiprime: 310351135 = 5 ⋅62070227.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-531153013 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 (531153017) 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, 599053 + ... + 599938.

It is an arithmetic number, because the mean of its divisors is an integer number (133088112).

Almost surely, 2^531153013 is an apocalyptic number.

It is an amenable number.

531153013 is a deficient number, since it is larger than the sum of its proper divisors (1199435).

531153013 is a wasteful number, since it uses less digits than its factorization.

531153013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1199434.

The product of its (nonzero) digits is 675, while the sum is 22.

The square root of 531153013 is about 23046.7571037662. The cubic root of 531153013 is about 809.8536610092.

The spelling of 531153013 in words is "five hundred thirty-one million, one hundred fifty-three thousand, thirteen".