61336061 has 4 divisors (see below), whose sum is σ = 61878972. Its totient is φ = 60793152.

The previous prime is 61336057. The next prime is 61336097. The reversal of 61336061 is 16063316.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3667225 + 57668836 = 1915^2 + 7594^2 .

It is a cyclic number.

It is not a de Polignac number, because 61336061 - 2² = 61336057 is a prime.

It is a super-2 number, since 2×61336061² = 7524224757991442, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 61336061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61336001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 271286 + ... + 271511.

It is an arithmetic number, because the mean of its divisors is an integer number (15469743).

Almost surely, 2^61336061 is an apocalyptic number.

It is an amenable number.

61336061 is a deficient number, since it is larger than the sum of its proper divisors (542911).

61336061 is a wasteful number, since it uses less digits than its factorization.

61336061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542910.

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 61336061 is about 7831.7342268491. The cubic root of 61336061 is about 394.3712927420.

Adding to 61336061 its reverse (16063316), we get a palindrome (77399377).

The spelling of 61336061 in words is "sixty-one million, three hundred thirty-six thousand, sixty-one".