61335101 has 2 divisors, whose sum is σ = 61335102. Its totient is φ = 61335100.

The previous prime is 61335077. The next prime is 61335103. The reversal of 61335101 is 10153316.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39000025 + 22335076 = 6245^2 + 4726^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61335101 is a prime.

It is a super-2 number, since 2×61335101² = 7523989229360402, which contains 22 as substring.

Together with 61335103, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61335103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30667550 + 30667551.

It is an arithmetic number, because the mean of its divisors is an integer number (30667551).

Almost surely, 2^61335101 is an apocalyptic number.

It is an amenable number.

61335101 is a deficient number, since it is larger than the sum of its proper divisors (1).

61335101 is an equidigital number, since it uses as much as digits as its factorization.

61335101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 270, while the sum is 20.

The square root of 61335101 is about 7831.6729375019. The cubic root of 61335101 is about 394.3692352334.

Adding to 61335101 its reverse (10153316), we get a palindrome (71488417).

The spelling of 61335101 in words is "sixty-one million, three hundred thirty-five thousand, one hundred one".