1450352021 has 8 divisors (see below), whose sum is σ = 1472167224. Its totient is φ = 1428683200.

The previous prime is 1450351951. The next prime is 1450352063. The reversal of 1450352021 is 1202530541.

It can be written as a sum of positive squares in 4 ways, for example, as 573363025 + 876988996 = 23945^2 + 29614^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1450352021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1450352521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16550 + ... + 56343.

It is an arithmetic number, because the mean of its divisors is an integer number (184020903).

Almost surely, 2^1450352021 is an apocalyptic number.

It is an amenable number.

1450352021 is a deficient number, since it is larger than the sum of its proper divisors (21815203).

1450352021 is a wasteful number, since it uses less digits than its factorization.

1450352021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73191.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 1450352021 is about 38083.4875109935. The cubic root of 1450352021 is about 1131.9427828942.

Adding to 1450352021 its reverse (1202530541), we get a palindrome (2652882562).

The spelling of 1450352021 in words is "one billion, four hundred fifty million, three hundred fifty-two thousand, twenty-one".