61361101 has 2 divisors, whose sum is σ = 61361102. Its totient is φ = 61361100.

The previous prime is 61361093. The next prime is 61361119. The reversal of 61361101 is 10116316.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 60762025 + 599076 = 7795^2 + 774^2 .

It is a cyclic number.

It is not a de Polignac number, because 61361101 - 2³ = 61361093 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61361141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30680550 + 30680551.

It is an arithmetic number, because the mean of its divisors is an integer number (30680551).

Almost surely, 2^61361101 is an apocalyptic number.

It is an amenable number.

61361101 is a deficient number, since it is larger than the sum of its proper divisors (1).

61361101 is an equidigital number, since it uses as much as digits as its factorization.

61361101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 61361101 is about 7833.3326879432. The cubic root of 61361101 is about 394.4249518430.

Adding to 61361101 its reverse (10116316), we get a palindrome (71477417).

The spelling of 61361101 in words is "sixty-one million, three hundred sixty-one thousand, one hundred one".