530031251 has 4 divisors (see below), whose sum is σ = 553076112. Its totient is φ = 506986392.

The previous prime is 530031247. The next prime is 530031269. The reversal of 530031251 is 152130035.

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

It is a cyclic number.

It is not a de Polignac number, because 530031251 - 2² = 530031247 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (530031851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11522396 + ... + 11522441.

It is an arithmetic number, because the mean of its divisors is an integer number (138269028).

Almost surely, 2^530031251 is an apocalyptic number.

530031251 is a deficient number, since it is larger than the sum of its proper divisors (23044861).

530031251 is a wasteful number, since it uses less digits than its factorization.

530031251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23044860.

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 530031251 is about 23022.4075847857. The cubic root of 530031251 is about 809.2831390625.

Adding to 530031251 its reverse (152130035), we get a palindrome (682161286).

The spelling of 530031251 in words is "five hundred thirty million, thirty-one thousand, two hundred fifty-one".