253322530 has 16 divisors (see below), whose sum is σ = 456433344. Its totient is φ = 101228400.

The previous prime is 253322479. The next prime is 253322539. The reversal of 253322530 is 35223352.

It is a junction number, because it is equal to n+sod(n) for n = 253322495 and 253322504.

It is not an unprimeable number, because it can be changed into a prime (253322539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1542 + ... + 22561.

It is an arithmetic number, because the mean of its divisors is an integer number (28527084).

Almost surely, 2^253322530 is an apocalyptic number.

253322530 is a deficient number, since it is larger than the sum of its proper divisors (203110814).

253322530 is a wasteful number, since it uses less digits than its factorization.

253322530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25161.

The product of its (nonzero) digits is 5400, while the sum is 25.

The square root of 253322530 is about 15916.1091350870. The cubic root of 253322530 is about 632.7390026168.

Adding to 253322530 its reverse (35223352), we get a palindrome (288545882).

The spelling of 253322530 in words is "two hundred fifty-three million, three hundred twenty-two thousand, five hundred thirty".