253443454 has 24 divisors (see below), whose sum is σ = 419467104. Its totient is φ = 114760800.

The previous prime is 253443433. The next prime is 253443467. The reversal of 253443454 is 454344352.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66139 + ... + 69865.

It is an arithmetic number, because the mean of its divisors is an integer number (17477796).

Almost surely, 2^253443454 is an apocalyptic number.

253443454 is a deficient number, since it is larger than the sum of its proper divisors (166023650).

253443454 is a wasteful number, since it uses less digits than its factorization.

253443454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4032 (or 4021 counting only the distinct ones).

The product of its digits is 115200, while the sum is 34.

The square root of 253443454 is about 15919.9074746055. The cubic root of 253443454 is about 632.8396663304.

The spelling of 253443454 in words is "two hundred fifty-three million, four hundred forty-three thousand, four hundred fifty-four".