253022530 has 32 divisors (see below), whose sum is σ = 466560000. Its totient is φ = 98759232.

The previous prime is 253022513. The next prime is 253022537. The reversal of 253022530 is 35220352.

It is not an unprimeable number, because it can be changed into a prime (253022537) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104271 + ... + 106669.

It is an arithmetic number, because the mean of its divisors is an integer number (14580000).

Almost surely, 2^253022530 is an apocalyptic number.

253022530 is a deficient number, since it is larger than the sum of its proper divisors (213537470).

253022530 is a wasteful number, since it uses less digits than its factorization.

253022530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2658.

The product of its (nonzero) digits is 1800, while the sum is 22.

The square root of 253022530 is about 15906.6819293025. The cubic root of 253022530 is about 632.4891279045.

Adding to 253022530 its reverse (35220352), we get a palindrome (288242882).

The spelling of 253022530 in words is "two hundred fifty-three million, twenty-two thousand, five hundred thirty".