450253403 has 6 divisors (see below), whose sum is σ = 455377284. Its totient is φ = 445186544.

The previous prime is 450253399. The next prime is 450253409. The reversal of 450253403 is 304352054.

It is not a de Polignac number, because 450253403 - 2² = 450253399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (450253409) 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, 20501 + ... + 36342.

It is an arithmetic number, because the mean of its divisors is an integer number (75896214).

Almost surely, 2^450253403 is an apocalyptic number.

450253403 is a deficient number, since it is larger than the sum of its proper divisors (5123881).

450253403 is an frugal number, since it uses more digits than its factorization.

450253403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57021 (or 56932 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 26.

The square root of 450253403 is about 21219.1753609795. The cubic root of 450253403 is about 766.4532462238.

The spelling of 450253403 in words is "four hundred fifty million, two hundred fifty-three thousand, four hundred three".