61823061 has 8 divisors (see below), whose sum is σ = 91589760. Its totient is φ = 41215356.

The previous prime is 61823059. The next prime is 61823063. The reversal of 61823061 is 16032816.

It is an interprime number because it is at equal distance from previous prime (61823059) and next prime (61823063).

It is not a de Polignac number, because 61823061 - 2¹ = 61823059 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 2289743 = 61823061 / (6 + 1 + 8 + 2 + 3 + 0 + 6 + 1).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61823063) 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, 1144845 + ... + 1144898.

It is an arithmetic number, because the mean of its divisors is an integer number (11448720).

Almost surely, 2^61823061 is an apocalyptic number.

It is an amenable number.

61823061 is a deficient number, since it is larger than the sum of its proper divisors (29766699).

61823061 is a wasteful number, since it uses less digits than its factorization.

61823061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2289752 (or 2289746 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 61823061 is about 7862.7642085974. The cubic root of 61823061 is about 395.4122939617.

Adding to 61823061 its reverse (16032816), we get a palindrome (77855877).

The spelling of 61823061 in words is "sixty-one million, eight hundred twenty-three thousand, sixty-one".