900563551 has 16 divisors (see below), whose sum is σ = 968843520. Its totient is φ = 835116480.

The previous prime is 900563537. The next prime is 900563563. The reversal of 900563551 is 155365009.

It is a cyclic number.

It is not a de Polignac number, because 900563551 - 2¹¹ = 900561503 is a prime.

It is a super-2 number, since 2×900563551² = 1622029418779459202, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (900563591) 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 15 ways as a sum of consecutive naturals, for example, 94516 + ... + 103606.

It is an arithmetic number, because the mean of its divisors is an integer number (60552720).

Almost surely, 2^900563551 is an apocalyptic number.

900563551 is a deficient number, since it is larger than the sum of its proper divisors (68279969).

900563551 is a wasteful number, since it uses less digits than its factorization.

900563551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9246.

The product of its (nonzero) digits is 20250, while the sum is 34.

The square root of 900563551 is about 30009.3910468040. The cubic root of 900563551 is about 965.6908620061.

The spelling of 900563551 in words is "nine hundred million, five hundred sixty-three thousand, five hundred fifty-one".