900032453 has 4 divisors (see below), whose sum is σ = 900230700. Its totient is φ = 899834208.

The previous prime is 900032449. The next prime is 900032459. The reversal of 900032453 is 354230009.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 354230009 = 7 ⋅50604287.

It can be written as a sum of positive squares in 2 ways, for example, as 751143649 + 148888804 = 27407^2 + 12202^2 .

It is a cyclic number.

It is not a de Polignac number, because 900032453 - 2² = 900032449 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 (900032459) 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 3 ways as a sum of consecutive naturals, for example, 92150 + ... + 101447.

It is an arithmetic number, because the mean of its divisors is an integer number (225057675).

Almost surely, 2^900032453 is an apocalyptic number.

It is an amenable number.

900032453 is a deficient number, since it is larger than the sum of its proper divisors (198247).

900032453 is a wasteful number, since it uses less digits than its factorization.

900032453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198246.

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 900032453 is about 30000.5408784575. The cubic root of 900032453 is about 965.5009892910.

The spelling of 900032453 in words is "nine hundred million, thirty-two thousand, four hundred fifty-three".