61804363 has 4 divisors (see below), whose sum is σ = 61976880. Its totient is φ = 61631848.

The previous prime is 61804357. The next prime is 61804387. The reversal of 61804363 is 36340816.

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 61804363 - 2⁵ = 61804331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61804313) 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, 85720 + ... + 86437.

It is an arithmetic number, because the mean of its divisors is an integer number (15494220).

Almost surely, 2^61804363 is an apocalyptic number.

61804363 is a deficient number, since it is larger than the sum of its proper divisors (172517).

61804363 is a wasteful number, since it uses less digits than its factorization.

61804363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172516.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 61804363 is about 7861.5750966330. The cubic root of 61804363 is about 395.3724266132.

The spelling of 61804363 in words is "sixty-one million, eight hundred four thousand, three hundred sixty-three".