61830913 has 8 divisors (see below), whose sum is σ = 63592128. Its totient is φ = 60091824.

The previous prime is 61830907. The next prime is 61830919. The reversal of 61830913 is 31903816.

It is an interprime number because it is at equal distance from previous prime (61830907) and next prime (61830919).

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

It is not a de Polignac number, because 61830913 - 2¹³ = 61822721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61830919) 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, 220 + ... + 11122.

It is an arithmetic number, because the mean of its divisors is an integer number (7949016).

Almost surely, 2^61830913 is an apocalyptic number.

It is an amenable number.

61830913 is a deficient number, since it is larger than the sum of its proper divisors (1761215).

61830913 is a wasteful number, since it uses less digits than its factorization.

61830913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11063.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 61830913 is about 7863.2635082388. The cubic root of 61830913 is about 395.4290333782.

The spelling of 61830913 in words is "sixty-one million, eight hundred thirty thousand, nine hundred thirteen".