61062613 has 2 divisors, whose sum is σ = 61062614. Its totient is φ = 61062612.

The previous prime is 61062611. The next prime is 61062619. The reversal of 61062613 is 31626016.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30669444 + 30393169 = 5538^2 + 5513^2 .

It is a cyclic number.

It is not a de Polignac number, because 61062613 - 2¹ = 61062611 is a prime.

Together with 61062611, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61062611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30531306 + 30531307.

It is an arithmetic number, because the mean of its divisors is an integer number (30531307).

Almost surely, 2^61062613 is an apocalyptic number.

It is an amenable number.

61062613 is a deficient number, since it is larger than the sum of its proper divisors (1).

61062613 is an equidigital number, since it uses as much as digits as its factorization.

61062613 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 61062613 is about 7814.2570344211. The cubic root of 61062613 is about 393.7843585370.

Adding to 61062613 its reverse (31626016), we get a palindrome (92688629).

The spelling of 61062613 in words is "sixty-one million, sixty-two thousand, six hundred thirteen".