252278834 has 8 divisors (see below), whose sum is σ = 385558380. Its totient is φ = 123759376.

The previous prime is 252278821. The next prime is 252278843. The reversal of 252278834 is 438872252.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 249734809 + 2544025 = 15803^2 + 1595^2 .

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

It is a super-3 number, since 3×252278834³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 252278791 and 252278800.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1189889 + ... + 1190100.

Almost surely, 2^252278834 is an apocalyptic number.

252278834 is a deficient number, since it is larger than the sum of its proper divisors (133279546).

252278834 is a wasteful number, since it uses less digits than its factorization.

252278834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2380044.

The product of its digits is 215040, while the sum is 41.

The square root of 252278834 is about 15883.2878838105. The cubic root of 252278834 is about 631.8688389489.

The spelling of 252278834 in words is "two hundred fifty-two million, two hundred seventy-eight thousand, eight hundred thirty-four".