61167563 has 2 divisors, whose sum is σ = 61167564. Its totient is φ = 61167562.

The previous prime is 61167553. The next prime is 61167577. The reversal of 61167563 is 36576116.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61167563 - 2⁶ = 61167499 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (61167553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30583781 + 30583782.

It is an arithmetic number, because the mean of its divisors is an integer number (30583782).

Almost surely, 2^61167563 is an apocalyptic number.

61167563 is a deficient number, since it is larger than the sum of its proper divisors (1).

61167563 is an equidigital number, since it uses as much as digits as its factorization.

61167563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22680, while the sum is 35.

The square root of 61167563 is about 7820.9694411882. The cubic root of 61167563 is about 394.0098320959.

The spelling of 61167563 in words is "sixty-one million, one hundred sixty-seven thousand, five hundred sixty-three".