252510043 has 4 divisors (see below), whose sum is σ = 254353320. Its totient is φ = 250666768.

The previous prime is 252510017. The next prime is 252510059. The reversal of 252510043 is 340015252.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-252510043 is a prime.

It is a super-2 number, since 2×252510043² = 127522643631723698, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 252509996 and 252510023.

It is not an unprimeable number, because it can be changed into a prime (252510943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 921433 + ... + 921706.

It is an arithmetic number, because the mean of its divisors is an integer number (63588330).

Almost surely, 2^252510043 is an apocalyptic number.

252510043 is a deficient number, since it is larger than the sum of its proper divisors (1843277).

252510043 is a wasteful number, since it uses less digits than its factorization.

252510043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1843276.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 252510043 is about 15890.5645903473. The cubic root of 252510043 is about 632.0618121392.

Adding to 252510043 its reverse (340015252), we get a palindrome (592525295).

The spelling of 252510043 in words is "two hundred fifty-two million, five hundred ten thousand, forty-three".