455274397 has 4 divisors (see below), whose sum is σ = 475068960. Its totient is φ = 435479836.

The previous prime is 455274377. The next prime is 455274403. The reversal of 455274397 is 793472554.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-455274397 is a prime.

It is a super-3 number, since 3×455274397³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (455274377) 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, 9897247 + ... + 9897292.

It is an arithmetic number, because the mean of its divisors is an integer number (118767240).

Almost surely, 2^455274397 is an apocalyptic number.

It is an amenable number.

455274397 is a deficient number, since it is larger than the sum of its proper divisors (19794563).

455274397 is a wasteful number, since it uses less digits than its factorization.

455274397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19794562.

The product of its digits is 1058400, while the sum is 46.

The square root of 455274397 is about 21337.1600031494. The cubic root of 455274397 is about 769.2917516292.

The spelling of 455274397 in words is "four hundred fifty-five million, two hundred seventy-four thousand, three hundred ninety-seven".