253778048 has 16 divisors (see below), whose sum is σ = 505573710. Its totient is φ = 126888960.

The previous prime is 253778033. The next prime is 253778053. The reversal of 253778048 is 840877352.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 250652224 + 3125824 = 15832^2 + 1768^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 991193 + ... + 991448.

Almost surely, 2^253778048 is an apocalyptic number.

It is an amenable number.

253778048 is a deficient number, since it is larger than the sum of its proper divisors (251795662).

253778048 is an equidigital number, since it uses as much as digits as its factorization.

253778048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1982655 (or 1982643 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 44.

The square root of 253778048 is about 15930.4126751318. The cubic root of 253778048 is about 633.1180338047.

The spelling of 253778048 in words is "two hundred fifty-three million, seven hundred seventy-eight thousand, forty-eight".