253804433 has 8 divisors (see below), whose sum is σ = 263110080. Its totient is φ = 244535760.

The previous prime is 253804427. The next prime is 253804483. The reversal of 253804433 is 334408352.

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

It is a cyclic number.

It is not a de Polignac number, because 253804433 - 2⁴ = 253804417 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 253804433.

It is not an unprimeable number, because it can be changed into a prime (253804403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5138 + ... + 23108.

It is an arithmetic number, because the mean of its divisors is an integer number (32888760).

Almost surely, 2^253804433 is an apocalyptic number.

It is an amenable number.

253804433 is a deficient number, since it is larger than the sum of its proper divisors (9305647).

253804433 is a wasteful number, since it uses less digits than its factorization.

253804433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18487.

The product of its (nonzero) digits is 34560, while the sum is 32.

The square root of 253804433 is about 15931.2407865803. The cubic root of 253804433 is about 633.1399745525.

The spelling of 253804433 in words is "two hundred fifty-three million, eight hundred four thousand, four hundred thirty-three".