252740337 has 8 divisors (see below), whose sum is σ = 354723360. Its totient is φ = 159625440.

The previous prime is 252740321. The next prime is 252740351. The reversal of 252740337 is 733047252.

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

It is not a de Polignac number, because 252740337 - 2⁴ = 252740321 is a prime.

It is a super-3 number, since 3×252740337³ (a number of 26 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (33) 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 = 252740298 and 252740307.

It is not an unprimeable number, because it can be changed into a prime (252760337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2216964 + ... + 2217077.

It is an arithmetic number, because the mean of its divisors is an integer number (44340420).

Almost surely, 2^252740337 is an apocalyptic number.

It is an amenable number.

252740337 is a deficient number, since it is larger than the sum of its proper divisors (101983023).

252740337 is a wasteful number, since it uses less digits than its factorization.

252740337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4434063.

The product of its (nonzero) digits is 35280, while the sum is 33.

The square root of 252740337 is about 15897.8091886901. The cubic root of 252740337 is about 632.2539045836.

Adding to 252740337 its reverse (733047252), we get a palindrome (985787589).

The spelling of 252740337 in words is "two hundred fifty-two million, seven hundred forty thousand, three hundred thirty-seven".