252143039 has 8 divisors (see below), whose sum is σ = 255270528. Its totient is φ = 249030040.

The previous prime is 252143029. The next prime is 252143083. The reversal of 252143039 is 930341252.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-252143039 is a prime.

It is a super-2 number, since 2×252143039² = 127152224232311042, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252143029) 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, 33734 + ... + 40524.

It is an arithmetic number, because the mean of its divisors is an integer number (31908816).

Almost surely, 2^252143039 is an apocalyptic number.

252143039 is a deficient number, since it is larger than the sum of its proper divisors (3127489).

252143039 is a wasteful number, since it uses less digits than its factorization.

252143039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7245.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 252143039 is about 15879.0125322704. The cubic root of 252143039 is about 631.7554458596.

The spelling of 252143039 in words is "two hundred fifty-two million, one hundred forty-three thousand, thirty-nine".