1801453 has 2 divisors, whose sum is σ = 1801454. Its totient is φ = 1801452.

The previous prime is 1801433. The next prime is 1801469. The reversal of 1801453 is 3541081.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1004004 + 797449 = 1002^2 + 893^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1801453 is a prime.

It is a super-2 number, since 2×1801453² = 6490465822418, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1801403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 900726 + 900727.

It is an arithmetic number, because the mean of its divisors is an integer number (900727).

2^1801453 is an apocalyptic number.

It is an amenable number.

1801453 is a deficient number, since it is larger than the sum of its proper divisors (1).

1801453 is an equidigital number, since it uses as much as digits as its factorization.

1801453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 1801453 is about 1342.1821783946. The cubic root of 1801453 is about 121.6767623657.

The spelling of 1801453 in words is "one million, eight hundred one thousand, four hundred fifty-three".