253524668 has 6 divisors (see below), whose sum is σ = 443668176. Its totient is φ = 126762332.

The previous prime is 253524647. The next prime is 253524671. The reversal of 253524668 is 866425352.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31690580 + ... + 31690587.

It is an arithmetic number, because the mean of its divisors is an integer number (73944696).

Almost surely, 2^253524668 is an apocalyptic number.

It is an amenable number.

253524668 is a deficient number, since it is larger than the sum of its proper divisors (190143508).

253524668 is a wasteful number, since it uses less digits than its factorization.

253524668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63381171 (or 63381169 counting only the distinct ones).

The product of its digits is 345600, while the sum is 41.

The square root of 253524668 is about 15922.4579760789. The cubic root of 253524668 is about 632.9072553081.

The spelling of 253524668 in words is "two hundred fifty-three million, five hundred twenty-four thousand, six hundred sixty-eight".