253794551 has 16 divisors (see below), whose sum is σ = 269837568. Its totient is φ = 238310400.

The previous prime is 253794529. The next prime is 253794559. The reversal of 253794551 is 155497352.

It is a cyclic number.

It is not a de Polignac number, because 253794551 - 2¹⁴ = 253778167 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 253794499 and 253794508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253794559) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 295715 + ... + 296571.

It is an arithmetic number, because the mean of its divisors is an integer number (16864848).

Almost surely, 2^253794551 is an apocalyptic number.

253794551 is a deficient number, since it is larger than the sum of its proper divisors (16043017).

253794551 is a wasteful number, since it uses less digits than its factorization.

253794551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1162.

The product of its digits is 189000, while the sum is 41.

The square root of 253794551 is about 15930.9306382270. The cubic root of 253794551 is about 633.1317572408.

The spelling of 253794551 in words is "two hundred fifty-three million, seven hundred ninety-four thousand, five hundred fifty-one".