253450798 has 4 divisors (see below), whose sum is σ = 380176200. Its totient is φ = 126725398.

The previous prime is 253450789. The next prime is 253450831. The reversal of 253450798 is 897054352.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63362698 + ... + 63362701.

It is an arithmetic number, because the mean of its divisors is an integer number (95044050).

Almost surely, 2^253450798 is an apocalyptic number.

253450798 is a deficient number, since it is larger than the sum of its proper divisors (126725402).

253450798 is a wasteful number, since it uses less digits than its factorization.

253450798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126725401.

The product of its (nonzero) digits is 302400, while the sum is 43.

The square root of 253450798 is about 15920.1381275415. The cubic root of 253450798 is about 632.8457788439.

The spelling of 253450798 in words is "two hundred fifty-three million, four hundred fifty thousand, seven hundred ninety-eight".