454020311 has 2 divisors, whose sum is σ = 454020312. Its totient is φ = 454020310.

The previous prime is 454020283. The next prime is 454020323. The reversal of 454020311 is 113020454.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 454020311 - 2⁶ = 454020247 is a prime.

It is a super-2 number, since 2×454020311² = 412268885601073442, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (454020331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227010155 + 227010156.

It is an arithmetic number, because the mean of its divisors is an integer number (227010156).

Almost surely, 2^454020311 is an apocalyptic number.

454020311 is a deficient number, since it is larger than the sum of its proper divisors (1).

454020311 is an equidigital number, since it uses as much as digits as its factorization.

454020311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 454020311 is about 21307.7523685629. The cubic root of 454020311 is about 768.5847456186.

Adding to 454020311 its reverse (113020454), we get a palindrome (567040765).

The spelling of 454020311 in words is "four hundred fifty-four million, twenty thousand, three hundred eleven".