252262026 has 40 divisors (see below), whose sum is σ = 568584324. Its totient is φ = 83592000.

The previous prime is 252262009. The next prime is 252262061. The reversal of 252262026 is 620262252.

It can be written as a sum of positive squares in 2 ways, for example, as 251190801 + 1071225 = 15849^2 + 1035^2 .

It is a super-2 number, since 2×252262026² = 127272259523249352, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 19 ways as a sum of consecutive naturals, for example, 23526 + ... + 32526.

Almost surely, 2^252262026 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 252262026, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (284292162).

252262026 is an abundant number, since it is smaller than the sum of its proper divisors (316322298).

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

252262026 is a wasteful number, since it uses less digits than its factorization.

252262026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9188 (or 9179 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 252262026 is about 15882.7587654034. The cubic root of 252262026 is about 631.8548059480.

The spelling of 252262026 in words is "two hundred fifty-two million, two hundred sixty-two thousand, twenty-six".