454339997 has 2 divisors, whose sum is σ = 454339998. Its totient is φ = 454339996.

The previous prime is 454339993. The next prime is 454340053. The reversal of 454339997 is 799933454.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 427414276 + 26925721 = 20674^2 + 5189^2 .

It is a cyclic number.

It is not a de Polignac number, because 454339997 - 2² = 454339993 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (454339993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227169998 + 227169999.

It is an arithmetic number, because the mean of its divisors is an integer number (227169999).

Almost surely, 2^454339997 is an apocalyptic number.

It is an amenable number.

454339997 is a deficient number, since it is larger than the sum of its proper divisors (1).

454339997 is an equidigital number, since it uses as much as digits as its factorization.

454339997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3674160, while the sum is 53.

The square root of 454339997 is about 21315.2526844042. The cubic root of 454339997 is about 768.7650959470.

The spelling of 454339997 in words is "four hundred fifty-four million, three hundred thirty-nine thousand, nine hundred ninety-seven".