252897219 has 12 divisors (see below), whose sum is σ = 386784216. Its totient is φ = 158680512.

The previous prime is 252897209. The next prime is 252897241. The reversal of 252897219 is 912798252.

It is a happy number.

It is not a de Polignac number, because 252897219 - 2¹³ = 252889027 is a prime.

It is a super-2 number, since 2×252897219² = 127914006755867922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (252897209) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 826309 + ... + 826614.

It is an arithmetic number, because the mean of its divisors is an integer number (32232018).

Almost surely, 2^252897219 is an apocalyptic number.

252897219 is a deficient number, since it is larger than the sum of its proper divisors (133886997).

252897219 is a wasteful number, since it uses less digits than its factorization.

252897219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1652946 (or 1652943 counting only the distinct ones).

The product of its digits is 181440, while the sum is 45.

The square root of 252897219 is about 15902.7424993301. The cubic root of 252897219 is about 632.3846959223.

It can be divided in two parts, 252897 and 219, that added together give a triangular number (253116 = T₇₁₁).

The spelling of 252897219 in words is "two hundred fifty-two million, eight hundred ninety-seven thousand, two hundred nineteen".