531045375 has 64 divisors (see below), whose sum is σ = 1020404736. Its totient is φ = 240240000.

The previous prime is 531045373. The next prime is 531045379. The reversal of 531045375 is 573540135.

It is not a de Polignac number, because 531045375 - 2¹ = 531045373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531045373) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 264124 + ... + 266126.

It is an arithmetic number, because the mean of its divisors is an integer number (15943824).

Almost surely, 2^531045375 is an apocalyptic number.

531045375 is a deficient number, since it is larger than the sum of its proper divisors (489359361).

531045375 is a wasteful number, since it uses less digits than its factorization.

531045375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2129 (or 2119 counting only the distinct ones).

The product of its (nonzero) digits is 31500, while the sum is 33.

The square root of 531045375 is about 23044.4217762130. The cubic root of 531045375 is about 809.7989517790.

The spelling of 531045375 in words is "five hundred thirty-one million, forty-five thousand, three hundred seventy-five".