61913413 has 8 divisors (see below), whose sum is σ = 62673408. Its totient is φ = 61158384.

The previous prime is 61913407. The next prime is 61913443. The reversal of 61913413 is 31431916.

61913413 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61913413 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 (61913443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27820 + ... + 29962.

It is an arithmetic number, because the mean of its divisors is an integer number (7834176).

Almost surely, 2^61913413 is an apocalyptic number.

It is an amenable number.

61913413 is a deficient number, since it is larger than the sum of its proper divisors (759995).

61913413 is a wasteful number, since it uses less digits than its factorization.

61913413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2483.

The product of its digits is 1944, while the sum is 28.

The square root of 61913413 is about 7868.5076729962. The cubic root of 61913413 is about 395.6048267638.

It can be divided in two parts, 61913 and 413, that added together give a palindrome (62326).

The spelling of 61913413 in words is "sixty-one million, nine hundred thirteen thousand, four hundred thirteen".