951605563 has 2 divisors, whose sum is σ = 951605564. Its totient is φ = 951605562.

The previous prime is 951605561. The next prime is 951605581. The reversal of 951605563 is 365506159.

It is a weak prime.

It is an emirp because it is prime and its reverse (365506159) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 951605563 - 2¹ = 951605561 is a prime.

Together with 951605561, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (951605561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 475802781 + 475802782.

It is an arithmetic number, because the mean of its divisors is an integer number (475802782).

Almost surely, 2^951605563 is an apocalyptic number.

951605563 is a deficient number, since it is larger than the sum of its proper divisors (1).

951605563 is an equidigital number, since it uses as much as digits as its factorization.

951605563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 121500, while the sum is 40.

The square root of 951605563 is about 30848.1046905641. The cubic root of 951605563 is about 983.6010659914.

The spelling of 951605563 in words is "nine hundred fifty-one million, six hundred five thousand, five hundred sixty-three".