956541563 has 2 divisors, whose sum is σ = 956541564. Its totient is φ = 956541562.

The previous prime is 956541527. The next prime is 956541569. The reversal of 956541563 is 365145659.

It is a strong prime.

It is an emirp because it is prime and its reverse (365145659) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 956541563 - 2¹⁸ = 956279419 is a prime.

It is not a weakly prime, because it can be changed into another prime (956541569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 478270781 + 478270782.

It is an arithmetic number, because the mean of its divisors is an integer number (478270782).

Almost surely, 2^956541563 is an apocalyptic number.

956541563 is a deficient number, since it is larger than the sum of its proper divisors (1).

956541563 is an equidigital number, since it uses as much as digits as its factorization.

956541563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 486000, while the sum is 44.

The square root of 956541563 is about 30928.0061271334. The cubic root of 956541563 is about 985.2987877960.

The spelling of 956541563 in words is "nine hundred fifty-six million, five hundred forty-one thousand, five hundred sixty-three".