61082863 has 2 divisors, whose sum is σ = 61082864. Its totient is φ = 61082862.

The previous prime is 61082849. The next prime is 61082867. The reversal of 61082863 is 36828016.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61082863 - 2²¹ = 58985711 is a prime.

It is a super-2 number, since 2×61082863² = 7462232304553538, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61082867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30541431 + 30541432.

It is an arithmetic number, because the mean of its divisors is an integer number (30541432).

Almost surely, 2^61082863 is an apocalyptic number.

61082863 is a deficient number, since it is larger than the sum of its proper divisors (1).

61082863 is an equidigital number, since it uses as much as digits as its factorization.

61082863 is an evil number, because the sum of its binary digits is even.

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

The square root of 61082863 is about 7815.5526356106. The cubic root of 61082863 is about 393.8278835439.

The spelling of 61082863 in words is "sixty-one million, eighty-two thousand, eight hundred sixty-three".