254553197 has 4 divisors (see below), whose sum is σ = 255366780. Its totient is φ = 253739616.

The previous prime is 254553193. The next prime is 254553209. The reversal of 254553197 is 791355452.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 64416676 + 190136521 = 8026^2 + 13789^2 .

It is a cyclic number.

It is not a de Polignac number, because 254553197 - 2² = 254553193 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 (254553191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 406322 + ... + 406947.

It is an arithmetic number, because the mean of its divisors is an integer number (63841695).

Almost surely, 2^254553197 is an apocalyptic number.

It is an amenable number.

254553197 is a deficient number, since it is larger than the sum of its proper divisors (813583).

254553197 is an equidigital number, since it uses as much as digits as its factorization.

254553197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 813582.

The product of its digits is 189000, while the sum is 41.

The square root of 254553197 is about 15954.7233445146. The cubic root of 254553197 is about 633.7619849461.

The spelling of 254553197 in words is "two hundred fifty-four million, five hundred fifty-three thousand, one hundred ninety-seven".