450099901 has 2 divisors, whose sum is σ = 450099902. Its totient is φ = 450099900.

The previous prime is 450099869. The next prime is 450099919. The reversal of 450099901 is 109990054.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 421316676 + 28783225 = 20526^2 + 5365^2 .

It is a cyclic number.

It is not a de Polignac number, because 450099901 - 2⁵ = 450099869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (450099301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225049950 + 225049951.

It is an arithmetic number, because the mean of its divisors is an integer number (225049951).

Almost surely, 2^450099901 is an apocalyptic number.

It is an amenable number.

450099901 is a deficient number, since it is larger than the sum of its proper divisors (1).

450099901 is an equidigital number, since it uses as much as digits as its factorization.

450099901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14580, while the sum is 37.

The square root of 450099901 is about 21215.5579940760. The cubic root of 450099901 is about 766.3661356633.

It can be divided in two parts, 4500 and 99901, that added together give a palindrome (104401).

The spelling of 450099901 in words is "four hundred fifty million, ninety-nine thousand, nine hundred one".