61617343 has 2 divisors, whose sum is σ = 61617344. Its totient is φ = 61617342.

The previous prime is 61617331. The next prime is 61617379. The reversal of 61617343 is 34371616.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61617343 - 2⁹ = 61616831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61617043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30808671 + 30808672.

It is an arithmetic number, because the mean of its divisors is an integer number (30808672).

Almost surely, 2^61617343 is an apocalyptic number.

61617343 is a deficient number, since it is larger than the sum of its proper divisors (1).

61617343 is an equidigital number, since it uses as much as digits as its factorization.

61617343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9072, while the sum is 31.

The square root of 61617343 is about 7849.6715217899. The cubic root of 61617343 is about 394.9732246979.

Adding to 61617343 its reverse (34371616), we get a palindrome (95988959).

The spelling of 61617343 in words is "sixty-one million, six hundred seventeen thousand, three hundred forty-three".