531145095 has 96 divisors (see below), whose sum is σ = 1010795520. Its totient is φ = 236079360.

The previous prime is 531144989. The next prime is 531145099. The reversal of 531145095 is 590541135.

It is not a de Polignac number, because 531145095 - 2⁸ = 531144839 is a prime.

It is a super-2 number, since 2×531145095² = 564230223885118050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531145099) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1959810 + ... + 1960080.

It is an arithmetic number, because the mean of its divisors is an integer number (10529120).

Almost surely, 2^531145095 is an apocalyptic number.

531145095 is a deficient number, since it is larger than the sum of its proper divisors (479650425).

531145095 is a wasteful number, since it uses less digits than its factorization.

531145095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357 (or 334 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 33.

The square root of 531145095 is about 23046.5853219083. The cubic root of 531145095 is about 809.8496367745.

The spelling of 531145095 in words is "five hundred thirty-one million, one hundred forty-five thousand, ninety-five".