901647563 has 2 divisors, whose sum is σ = 901647564. Its totient is φ = 901647562.

The previous prime is 901647491. The next prime is 901647583. The reversal of 901647563 is 365746109.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 901647563 - 2²⁴ = 884870347 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 901647563.

It is not a weakly prime, because it can be changed into another prime (901647583) 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 as a sum of consecutive naturals, namely, 450823781 + 450823782.

It is an arithmetic number, because the mean of its divisors is an integer number (450823782).

Almost surely, 2^901647563 is an apocalyptic number.

901647563 is a deficient number, since it is larger than the sum of its proper divisors (1).

901647563 is an equidigital number, since it uses as much as digits as its factorization.

901647563 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 136080, while the sum is 41.

The square root of 901647563 is about 30027.4468278607. The cubic root of 901647563 is about 966.0781753136.

The spelling of 901647563 in words is "nine hundred one million, six hundred forty-seven thousand, five hundred sixty-three".