253609694 has 8 divisors (see below), whose sum is σ = 409677240. Its totient is φ = 117050616.

The previous prime is 253609691. The next prime is 253609709. The reversal of 253609694 is 496906352.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253609691) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4877084 + ... + 4877135.

It is an arithmetic number, because the mean of its divisors is an integer number (51209655).

Almost surely, 2^253609694 is an apocalyptic number.

253609694 is a deficient number, since it is larger than the sum of its proper divisors (156067546).

253609694 is a wasteful number, since it uses less digits than its factorization.

253609694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9754234.

The product of its (nonzero) digits is 349920, while the sum is 44.

The square root of 253609694 is about 15925.1277545896. The cubic root of 253609694 is about 632.9780012936.

The spelling of 253609694 in words is "two hundred fifty-three million, six hundred nine thousand, six hundred ninety-four".