61204013 has 8 divisors (see below), whose sum is σ = 68038656. Its totient is φ = 54673200.

The previous prime is 61204001. The next prime is 61204019. The reversal of 61204013 is 31040216.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 61204013 - 2¹⁰ = 61202989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 61203982 and 61204000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61204019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75533 + ... + 76338.

It is an arithmetic number, because the mean of its divisors is an integer number (8504832).

Almost surely, 2^61204013 is an apocalyptic number.

It is an amenable number.

61204013 is a deficient number, since it is larger than the sum of its proper divisors (6834643).

61204013 is a wasteful number, since it uses less digits than its factorization.

61204013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151915.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 61204013 is about 7823.2993679138. The cubic root of 61204013 is about 394.0880805765.

Adding to 61204013 its reverse (31040216), we get a palindrome (92244229).

The spelling of 61204013 in words is "sixty-one million, two hundred four thousand, thirteen".