450439501 has 2 divisors, whose sum is σ = 450439502. Its totient is φ = 450439500.

The previous prime is 450439487. The next prime is 450439511. The reversal of 450439501 is 105934054.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 272217001 + 178222500 = 16499^2 + 13350^2 .

It is a cyclic number.

It is not a de Polignac number, because 450439501 - 2⁷ = 450439373 is a prime.

It is a super-2 number, since 2×450439501² = 405791488122258002, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (450439511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225219750 + 225219751.

It is an arithmetic number, because the mean of its divisors is an integer number (225219751).

Almost surely, 2^450439501 is an apocalyptic number.

It is an amenable number.

450439501 is a deficient number, since it is larger than the sum of its proper divisors (1).

450439501 is an equidigital number, since it uses as much as digits as its factorization.

450439501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 450439501 is about 21223.5600453835. The cubic root of 450439501 is about 766.5588280795.

The spelling of 450439501 in words is "four hundred fifty million, four hundred thirty-nine thousand, five hundred one".