252285442 has 16 divisors (see below), whose sum is σ = 392045760. Its totient is φ = 121616208.

The previous prime is 252285437. The next prime is 252285461. The reversal of 252285442 is 244582252.

It is a junction number, because it is equal to n+sod(n) for n = 252285398 and 252285407.

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, 42883 + ... + 48409.

It is an arithmetic number, because the mean of its divisors is an integer number (24502860).

Almost surely, 2^252285442 is an apocalyptic number.

252285442 is a deficient number, since it is larger than the sum of its proper divisors (139760318).

252285442 is a wasteful number, since it uses less digits than its factorization.

252285442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6345.

The product of its digits is 51200, while the sum is 34.

The square root of 252285442 is about 15883.4958998326. The cubic root of 252285442 is about 631.8743557981.

The spelling of 252285442 in words is "two hundred fifty-two million, two hundred eighty-five thousand, four hundred forty-two".