253494197 has 8 divisors (see below), whose sum is σ = 276654432. Its totient is φ = 230353200.

The previous prime is 253494193. The next prime is 253494209. The reversal of 253494197 is 791494352.

253494197 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 253494197 - 2² = 253494193 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 (253494193) 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, 48338 + ... + 53324.

It is an arithmetic number, because the mean of its divisors is an integer number (34581804).

Almost surely, 2^253494197 is an apocalyptic number.

It is an amenable number.

253494197 is a deficient number, since it is larger than the sum of its proper divisors (23160235).

253494197 is a wasteful number, since it uses less digits than its factorization.

253494197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9619.

The product of its digits is 272160, while the sum is 44.

The square root of 253494197 is about 15921.5010912916. The cubic root of 253494197 is about 632.8818980259.

The spelling of 253494197 in words is "two hundred fifty-three million, four hundred ninety-four thousand, one hundred ninety-seven".