454430997 has 6 divisors (see below), whose sum is σ = 656400342. Its totient is φ = 302953992.

The previous prime is 454430993. The next prime is 454431001. The reversal of 454430997 is 799034454.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (454430993) and next prime (454431001).

It can be written as a sum of positive squares in only one way, i.e., 280428516 + 174002481 = 16746^2 + 13191^2 .

It is not a de Polignac number, because 454430997 - 2² = 454430993 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (454430993) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25246158 + ... + 25246175.

It is an arithmetic number, because the mean of its divisors is an integer number (109400057).

Almost surely, 2^454430997 is an apocalyptic number.

It is an amenable number.

454430997 is a deficient number, since it is larger than the sum of its proper divisors (201969345).

454430997 is a wasteful number, since it uses less digits than its factorization.

454430997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50492339 (or 50492336 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The square root of 454430997 is about 21317.3871991856. The cubic root of 454430997 is about 768.8164179775.

The spelling of 454430997 in words is "four hundred fifty-four million, four hundred thirty thousand, nine hundred ninety-seven".