450902497 has 4 divisors (see below), whose sum is σ = 451256320. Its totient is φ = 450548676.

The previous prime is 450902489. The next prime is 450902513. The reversal of 450902497 is 794209054.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 450902497 - 2³ = 450902489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (450902437) 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, 174993 + ... + 177550.

It is an arithmetic number, because the mean of its divisors is an integer number (112814080).

Almost surely, 2^450902497 is an apocalyptic number.

It is an amenable number.

450902497 is a deficient number, since it is larger than the sum of its proper divisors (353823).

450902497 is a wasteful number, since it uses less digits than its factorization.

450902497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353822.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 450902497 is about 21234.4648390300. The cubic root of 450902497 is about 766.8213806437.

The spelling of 450902497 in words is "four hundred fifty million, nine hundred two thousand, four hundred ninety-seven".