450470557 has 2 divisors, whose sum is σ = 450470558. Its totient is φ = 450470556.

The previous prime is 450470551. The next prime is 450470569. The reversal of 450470557 is 755074054.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 312971481 + 137499076 = 17691^2 + 11726^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-450470557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (450470551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225235278 + 225235279.

It is an arithmetic number, because the mean of its divisors is an integer number (225235279).

Almost surely, 2^450470557 is an apocalyptic number.

It is an amenable number.

450470557 is a deficient number, since it is larger than the sum of its proper divisors (1).

450470557 is an equidigital number, since it uses as much as digits as its factorization.

450470557 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 98000, while the sum is 37.

The square root of 450470557 is about 21224.2916725152. The cubic root of 450470557 is about 766.5764447285.

The spelling of 450470557 in words is "four hundred fifty million, four hundred seventy thousand, five hundred fifty-seven".