454420511 has 4 divisors (see below), whose sum is σ = 478337400. Its totient is φ = 430503624.

The previous prime is 454420493. The next prime is 454420559. The reversal of 454420511 is 115024454.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 115024454 = 2 ⋅57512227.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-454420511 is a prime.

It is a super-2 number, since 2×454420511² = 412996001635002242, which contains 22 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 (454422511) 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, 11958416 + ... + 11958453.

It is an arithmetic number, because the mean of its divisors is an integer number (119584350).

Almost surely, 2^454420511 is an apocalyptic number.

454420511 is a deficient number, since it is larger than the sum of its proper divisors (23916889).

454420511 is a wasteful number, since it uses less digits than its factorization.

454420511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23916888.

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 454420511 is about 21317.1412483006. The cubic root of 454420511 is about 768.8105044498.

Adding to 454420511 its reverse (115024454), we get a palindrome (569444965).

The spelling of 454420511 in words is "four hundred fifty-four million, four hundred twenty thousand, five hundred eleven".