61814383 has 4 divisors (see below), whose sum is σ = 63485080. Its totient is φ = 60143688.

The previous prime is 61814381. The next prime is 61814437. The reversal of 61814383 is 38341816.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 61814383 - 2¹ = 61814381 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61814381) 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, 835293 + ... + 835366.

It is an arithmetic number, because the mean of its divisors is an integer number (15871270).

Almost surely, 2^61814383 is an apocalyptic number.

61814383 is a deficient number, since it is larger than the sum of its proper divisors (1670697).

61814383 is a wasteful number, since it uses less digits than its factorization.

61814383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1670696.

The product of its digits is 13824, while the sum is 34.

The square root of 61814383 is about 7862.2123476792. The cubic root of 61814383 is about 395.3937919745.

The spelling of 61814383 in words is "sixty-one million, eight hundred fourteen thousand, three hundred eighty-three".