61062643 has 2 divisors, whose sum is σ = 61062644. Its totient is φ = 61062642.

The previous prime is 61062641. The next prime is 61062671. The reversal of 61062643 is 34626016.

It is an a-pointer prime, because the next prime (61062671) can be obtained adding 61062643 to its sum of digits (28).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61062643 - 2¹ = 61062641 is a prime.

Together with 61062641, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (61062641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30531321 + 30531322.

It is an arithmetic number, because the mean of its divisors is an integer number (30531322).

Almost surely, 2^61062643 is an apocalyptic number.

61062643 is a deficient number, since it is larger than the sum of its proper divisors (1).

61062643 is an equidigital number, since it uses as much as digits as its factorization.

61062643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 61062643 is about 7814.2589539892. The cubic root of 61062643 is about 393.7844230256.

Adding to 61062643 its reverse (34626016), we get a palindrome (95688659).

The spelling of 61062643 in words is "sixty-one million, sixty-two thousand, six hundred forty-three".