61022113 has 2 divisors, whose sum is σ = 61022114. Its totient is φ = 61022112.

The previous prime is 61022099. The next prime is 61022123. The reversal of 61022113 is 31122016.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41370624 + 19651489 = 6432^2 + 4433^2 .

It is a cyclic number.

It is not a de Polignac number, because 61022113 - 2⁵ = 61022081 is a prime.

It is not a weakly prime, because it can be changed into another prime (61022123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30511056 + 30511057.

It is an arithmetic number, because the mean of its divisors is an integer number (30511057).

Almost surely, 2^61022113 is an apocalyptic number.

It is an amenable number.

61022113 is a deficient number, since it is larger than the sum of its proper divisors (1).

61022113 is an equidigital number, since it uses as much as digits as its factorization.

61022113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 61022113 is about 7811.6651873976. The cubic root of 61022113 is about 393.6972796467.

Adding to 61022113 its reverse (31122016), we get a palindrome (92144129).

The spelling of 61022113 in words is "sixty-one million, twenty-two thousand, one hundred thirteen".