61836343 has 2 divisors, whose sum is σ = 61836344. Its totient is φ = 61836342.

The previous prime is 61836337. The next prime is 61836347. The reversal of 61836343 is 34363816.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61836343 is a prime.

It is a super-2 number, since 2×61836343² = 7647466631227298, which contains 22 as substring.

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

It is equal to p_3664474 and since 61836343 and 3664474 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 61836299 and 61836308.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61836347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30918171 + 30918172.

It is an arithmetic number, because the mean of its divisors is an integer number (30918172).

Almost surely, 2^61836343 is an apocalyptic number.

61836343 is a deficient number, since it is larger than the sum of its proper divisors (1).

61836343 is an equidigital number, since it uses as much as digits as its factorization.

61836343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104, while the sum is 34.

The square root of 61836343 is about 7863.6087771455. The cubic root of 61836343 is about 395.4406085849.

The spelling of 61836343 in words is "sixty-one million, eight hundred thirty-six thousand, three hundred forty-three".