252019426 has 8 divisors (see below), whose sum is σ = 384226524. Its totient is φ = 123943920.

The previous prime is 252019421. The next prime is 252019501. The reversal of 252019426 is 624910252.

It can be written as a sum of positive squares in 2 ways, for example, as 251381025 + 638401 = 15855^2 + 799^2 .

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

It is not an unprimeable number, because it can be changed into a prime (252019421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1032745 + ... + 1032988.

Almost surely, 2^252019426 is an apocalyptic number.

252019426 is a deficient number, since it is larger than the sum of its proper divisors (132207098).

252019426 is a wasteful number, since it uses less digits than its factorization.

252019426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2065796.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 252019426 is about 15875.1197160840. The cubic root of 252019426 is about 631.6521897192.

Adding to 252019426 its reverse (624910252), we get a palindrome (876929678).

The spelling of 252019426 in words is "two hundred fifty-two million, nineteen thousand, four hundred twenty-six".