253755397 has 8 divisors (see below), whose sum is σ = 296176896. Its totient is φ = 212876592.

The previous prime is 253755391. The next prime is 253755419. The reversal of 253755397 is 793557352.

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 253755397 - 2⁷ = 253755269 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 (253755391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 385318 + ... + 385975.

It is an arithmetic number, because the mean of its divisors is an integer number (37022112).

Almost surely, 2^253755397 is an apocalyptic number.

It is an amenable number.

253755397 is a deficient number, since it is larger than the sum of its proper divisors (42421499).

253755397 is an equidigital number, since it uses as much as digits as its factorization.

253755397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 771347.

The product of its digits is 992250, while the sum is 46.

The square root of 253755397 is about 15929.7017235101. The cubic root of 253755397 is about 633.0991968940.

The spelling of 253755397 in words is "two hundred fifty-three million, seven hundred fifty-five thousand, three hundred ninety-seven".