531142413 has 8 divisors (see below), whose sum is σ = 725462976. Its totient is φ = 345458400.

The previous prime is 531142399. The next prime is 531142421. The reversal of 531142413 is 314241135.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 531142413 - 2¹² = 531138317 is a prime.

It is a super-2 number, since 2×531142413² = 564224525774925138, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531142613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2158993 + ... + 2159238.

It is an arithmetic number, because the mean of its divisors is an integer number (90682872).

Almost surely, 2^531142413 is an apocalyptic number.

It is an amenable number.

531142413 is a deficient number, since it is larger than the sum of its proper divisors (194320563).

531142413 is a wasteful number, since it uses less digits than its factorization.

531142413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4318275.

The product of its digits is 1440, while the sum is 24.

The square root of 531142413 is about 23046.5271353408. The cubic root of 531142413 is about 809.8482736690.

Adding to 531142413 its reverse (314241135), we get a palindrome (845383548).

The spelling of 531142413 in words is "five hundred thirty-one million, one hundred forty-two thousand, four hundred thirteen".