274253997 has 4 divisors (see below), whose sum is σ = 365672000. Its totient is φ = 182835996.

The previous prime is 274253983. The next prime is 274254023. The reversal of 274253997 is 799352472.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 274253997 - 2¹¹ = 274251949 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 (274253927) 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, 45708997 + ... + 45709002.

It is an arithmetic number, because the mean of its divisors is an integer number (91418000).

Almost surely, 2^274253997 is an apocalyptic number.

It is an amenable number.

274253997 is a deficient number, since it is larger than the sum of its proper divisors (91418003).

274253997 is an equidigital number, since it uses as much as digits as its factorization.

274253997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91418002.

The product of its digits is 952560, while the sum is 48.

The square root of 274253997 is about 16560.6158399982. The cubic root of 274253997 is about 649.7071635553.

The spelling of 274253997 in words is "two hundred seventy-four million, two hundred fifty-three thousand, nine hundred ninety-seven".