252284439 has 32 divisors (see below), whose sum is σ = 378201600. Its totient is φ = 148262400.

The previous prime is 252284411. The next prime is 252284443. The reversal of 252284439 is 934482252.

252284439 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 252284439 - 2¹⁹ = 251760151 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 252284397 and 252284406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252284449) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 268779 + ... + 269715.

It is an arithmetic number, because the mean of its divisors is an integer number (11818800).

Almost surely, 2^252284439 is an apocalyptic number.

252284439 is a deficient number, since it is larger than the sum of its proper divisors (125917161).

252284439 is a wasteful number, since it uses less digits than its factorization.

252284439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1191.

The product of its digits is 138240, while the sum is 39.

The square root of 252284439 is about 15883.4643261475. The cubic root of 252284439 is about 631.8735184254.

The spelling of 252284439 in words is "two hundred fifty-two million, two hundred eighty-four thousand, four hundred thirty-nine".