252879342 has 16 divisors (see below), whose sum is σ = 527748480. Its totient is φ = 80628152.

The previous prime is 252879331. The next prime is 252879353. The reversal of 252879342 is 243978252.

It is an interprime number because it is at equal distance from previous prime (252879331) and next prime (252879353).

It is a super-2 number, since 2×252879342² = 127895923220705928, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 252879294 and 252879303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 916092 + ... + 916367.

It is an arithmetic number, because the mean of its divisors is an integer number (32984280).

Almost surely, 2^252879342 is an apocalyptic number.

252879342 is an abundant number, since it is smaller than the sum of its proper divisors (274869138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

252879342 is a wasteful number, since it uses less digits than its factorization.

252879342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1832487.

The product of its digits is 241920, while the sum is 42.

The square root of 252879342 is about 15902.1804165341. The cubic root of 252879342 is about 632.3697947335.

The spelling of 252879342 in words is "two hundred fifty-two million, eight hundred seventy-nine thousand, three hundred forty-two".