253869546 has 16 divisors (see below), whose sum is σ = 580273344. Its totient is φ = 72534144.

The previous prime is 253869541. The next prime is 253869547. The reversal of 253869546 is 645968352.

It is a super-2 number, since 2×253869546² = 128899492772492232, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 253869495 and 253869504.

It is not an unprimeable number, because it can be changed into a prime (253869541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3022215 + ... + 3022298.

It is an arithmetic number, because the mean of its divisors is an integer number (36267084).

Almost surely, 2^253869546 is an apocalyptic number.

253869546 is an abundant number, since it is smaller than the sum of its proper divisors (326403798).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

253869546 is a wasteful number, since it uses less digits than its factorization.

253869546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6044525.

The product of its digits is 1555200, while the sum is 48.

The square root of 253869546 is about 15933.2842188922. The cubic root of 253869546 is about 633.1941135047.

The spelling of 253869546 in words is "two hundred fifty-three million, eight hundred sixty-nine thousand, five hundred forty-six".