61260413 has 2 divisors, whose sum is σ = 61260414. Its totient is φ = 61260412.

The previous prime is 61260403. The next prime is 61260449. The reversal of 61260413 is 31406216.

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., 61183684 + 76729 = 7822^2 + 277^2 .

It is a cyclic number.

It is not a de Polignac number, because 61260413 - 2¹⁰ = 61259389 is a prime.

It is a super-3 number, since 3×61260413³ (a number of 24 digits) contains 333 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61260403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30630206 + 30630207.

It is an arithmetic number, because the mean of its divisors is an integer number (30630207).

Almost surely, 2^61260413 is an apocalyptic number.

It is an amenable number.

61260413 is a deficient number, since it is larger than the sum of its proper divisors (1).

61260413 is an equidigital number, since it uses as much as digits as its factorization.

61260413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 61260413 is about 7826.9031551438. The cubic root of 61260413 is about 394.2090952117.

Adding to 61260413 its reverse (31406216), we get a palindrome (92666629).

The spelling of 61260413 in words is "sixty-one million, two hundred sixty thousand, four hundred thirteen".