61102843 has 2 divisors, whose sum is σ = 61102844. Its totient is φ = 61102842.

The previous prime is 61102837. The next prime is 61102849. The reversal of 61102843 is 34820116.

It is a balanced prime because it is at equal distance from previous prime (61102837) and next prime (61102849).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61102843 is a prime.

It is equal to p_3623731 and since 61102843 and 3623731 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (61102849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30551421 + 30551422.

It is an arithmetic number, because the mean of its divisors is an integer number (30551422).

Almost surely, 2^61102843 is an apocalyptic number.

61102843 is a deficient number, since it is larger than the sum of its proper divisors (1).

61102843 is an equidigital number, since it uses as much as digits as its factorization.

61102843 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 61102843 is about 7816.8307516538. The cubic root of 61102843 is about 393.8708187903.

Adding to 61102843 its reverse (34820116), we get a palindrome (95922959).

The spelling of 61102843 in words is "sixty-one million, one hundred two thousand, eight hundred forty-three".