252201530 has 72 divisors (see below), whose sum is σ = 541869588. Its totient is φ = 84266112.

The previous prime is 252201527. The next prime is 252201533. The reversal of 252201530 is 35102252.

It is an interprime number because it is at equal distance from previous prime (252201527) and next prime (252201533).

It can be written as a sum of positive squares in 2 ways, for example, as 239104369 + 13097161 = 15463^2 + 3619^2 .

It is a super-2 number, since 2×252201530² = 127211223468681800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (252201533) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1082294 + ... + 1082526.

Almost surely, 2^252201530 is an apocalyptic number.

252201530 is an abundant number, since it is smaller than the sum of its proper divisors (289668058).

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

252201530 is a wasteful number, since it uses less digits than its factorization.

252201530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348 (or 294 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 252201530 is about 15880.8541961697. The cubic root of 252201530 is about 631.8042926715.

Adding to 252201530 its reverse (35102252), we get a palindrome (287303782).

The spelling of 252201530 in words is "two hundred fifty-two million, two hundred one thousand, five hundred thirty".