61050013 has 2 divisors, whose sum is σ = 61050014. Its totient is φ = 61050012.

The previous prime is 61050007. The next prime is 61050019. The reversal of 61050013 is 31005016.

It is a balanced prime because it is at equal distance from previous prime (61050007) and next prime (61050019).

It can be written as a sum of positive squares in only one way, i.e., 38601369 + 22448644 = 6213^2 + 4738^2 .

It is a cyclic number.

It is not a de Polignac number, because 61050013 - 2⁹ = 61049501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61050019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30525006 + 30525007.

It is an arithmetic number, because the mean of its divisors is an integer number (30525007).

Almost surely, 2^61050013 is an apocalyptic number.

It is an amenable number.

61050013 is a deficient number, since it is larger than the sum of its proper divisors (1).

61050013 is an equidigital number, since it uses as much as digits as its factorization.

61050013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 61050013 is about 7813.4507741458. The cubic root of 61050013 is about 393.7572714539.

Adding to 61050013 its reverse (31005016), we get a palindrome (92055029).

The spelling of 61050013 in words is "sixty-one million, fifty thousand, thirteen".