252014321 has 12 divisors (see below), whose sum is σ = 282306780. Its totient is φ = 224602560.

The previous prime is 252014299. The next prime is 252014327. The reversal of 252014321 is 123410252.

It can be written as a sum of positive squares in 6 ways, for example, as 25361296 + 226653025 = 5036^2 + 15055^2 .

It is a de Polignac number, because none of the positive numbers 2^k-252014321 is a prime.

It is a super-2 number, since 2×252014321² = 127022435978182082, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 252014293 and 252014302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252014327) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20810 + ... + 30611.

It is an arithmetic number, because the mean of its divisors is an integer number (23525565).

Almost surely, 2^252014321 is an apocalyptic number.

It is an amenable number.

252014321 is a deficient number, since it is larger than the sum of its proper divisors (30292459).

252014321 is a wasteful number, since it uses less digits than its factorization.

252014321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51476 (or 51463 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 252014321 is about 15874.9589290807. The cubic root of 252014321 is about 631.6479246958.

Adding to 252014321 its reverse (123410252), we get a palindrome (375424573).

The spelling of 252014321 in words is "two hundred fifty-two million, fourteen thousand, three hundred twenty-one".