61036261 has 16 divisors (see below), whose sum is σ = 71971200. Its totient is φ = 51030720.

The previous prime is 61036253. The next prime is 61036279. The reversal of 61036261 is 16263016.

It is not a de Polignac number, because 61036261 - 2³ = 61036253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61031261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49296 + ... + 50518.

It is an arithmetic number, because the mean of its divisors is an integer number (4498200).

Almost surely, 2^61036261 is an apocalyptic number.

It is an amenable number.

61036261 is a deficient number, since it is larger than the sum of its proper divisors (10934939).

61036261 is a wasteful number, since it uses less digits than its factorization.

61036261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1596.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 61036261 is about 7812.5707036801. The cubic root of 61036261 is about 393.7277035834.

Adding to 61036261 its reverse (16263016), we get a palindrome (77299277).

The spelling of 61036261 in words is "sixty-one million, thirty-six thousand, two hundred sixty-one".