61310413 has 4 divisors (see below), whose sum is σ = 61345120. Its totient is φ = 61275708.

The previous prime is 61310411. The next prime is 61310423. The reversal of 61310413 is 31401316.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 61310413 - 2¹ = 61310411 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 (61310411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14553 + ... + 18286.

It is an arithmetic number, because the mean of its divisors is an integer number (15336280).

Almost surely, 2^61310413 is an apocalyptic number.

It is an amenable number.

61310413 is a deficient number, since it is larger than the sum of its proper divisors (34707).

61310413 is a wasteful number, since it uses less digits than its factorization.

61310413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34706.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 61310413 is about 7830.0966149850. The cubic root of 61310413 is about 394.3163155941.

Adding to 61310413 its reverse (31401316), we get a palindrome (92711729).

It can be divided in two parts, 613 and 10413, that added together give a triangular number (11026 = T₁₄₈).

The spelling of 61310413 in words is "sixty-one million, three hundred ten thousand, four hundred thirteen".