253613530 has 16 divisors (see below), whose sum is σ = 458244864. Its totient is φ = 101058640.

The previous prime is 253613489. The next prime is 253613543. The reversal of 253613530 is 35316352.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45586 + ... + 50845.

It is an arithmetic number, because the mean of its divisors is an integer number (28640304).

Almost surely, 2^253613530 is an apocalyptic number.

253613530 is a deficient number, since it is larger than the sum of its proper divisors (204631334).

253613530 is a wasteful number, since it uses less digits than its factorization.

253613530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96701.

The product of its (nonzero) digits is 8100, while the sum is 28.

The square root of 253613530 is about 15925.2481927284. The cubic root of 253613530 is about 632.9811926692.

Adding to 253613530 its reverse (35316352), we get a palindrome (288929882).

The spelling of 253613530 in words is "two hundred fifty-three million, six hundred thirteen thousand, five hundred thirty".