455331403 has 2 divisors, whose sum is σ = 455331404. Its totient is φ = 455331402.

The previous prime is 455331367. The next prime is 455331421. The reversal of 455331403 is 304133554.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 455331403 - 2¹⁷ = 455200331 is a prime.

It is not a weakly prime, because it can be changed into another prime (455331433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227665701 + 227665702.

It is an arithmetic number, because the mean of its divisors is an integer number (227665702).

Almost surely, 2^455331403 is an apocalyptic number.

455331403 is a deficient number, since it is larger than the sum of its proper divisors (1).

455331403 is an equidigital number, since it uses as much as digits as its factorization.

455331403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10800, while the sum is 28.

The square root of 455331403 is about 21338.4957998449. The cubic root of 455331403 is about 769.3238585781.

Adding to 455331403 its reverse (304133554), we get a palindrome (759464957).

The spelling of 455331403 in words is "four hundred fifty-five million, three hundred thirty-one thousand, four hundred three".