61002713 has 2 divisors, whose sum is σ = 61002714. Its totient is φ = 61002712.

The previous prime is 61002709. The next prime is 61002719. The reversal of 61002713 is 31720016.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44462224 + 16540489 = 6668^2 + 4067^2 .

It is a cyclic number.

It is not a de Polignac number, because 61002713 - 2² = 61002709 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (61002719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30501356 + 30501357.

It is an arithmetic number, because the mean of its divisors is an integer number (30501357).

Almost surely, 2^61002713 is an apocalyptic number.

It is an amenable number.

61002713 is a deficient number, since it is larger than the sum of its proper divisors (1).

61002713 is an equidigital number, since it uses as much as digits as its factorization.

61002713 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 61002713 is about 7810.4233560032. The cubic root of 61002713 is about 393.6555541346.

Adding to 61002713 its reverse (31720016), we get a palindrome (92722729).

The spelling of 61002713 in words is "sixty-one million, two thousand, seven hundred thirteen".