253999429 has 8 divisors (see below), whose sum is σ = 276588000. Its totient is φ = 232332912.

The previous prime is 253999411. The next prime is 253999441. The reversal of 253999429 is 924999352.

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

It is not a de Polignac number, because 253999429 - 2⁹ = 253998917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253999129) 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, 229939 + ... + 231040.

It is an arithmetic number, because the mean of its divisors is an integer number (34573500).

Almost surely, 2^253999429 is an apocalyptic number.

253999429 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

253999429 is a deficient number, since it is larger than the sum of its proper divisors (22588571).

253999429 is a wasteful number, since it uses less digits than its factorization.

253999429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461027.

The product of its digits is 1574640, while the sum is 52.

The square root of 253999429 is about 15937.3595366359. The cubic root of 253999429 is about 633.3020785746.

The spelling of 253999429 in words is "two hundred fifty-three million, nine hundred ninety-nine thousand, four hundred twenty-nine".