61113049 has 2 divisors, whose sum is σ = 61113050. Its totient is φ = 61113048.

The previous prime is 61113043. The next prime is 61113053. The reversal of 61113049 is 94031116.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49843600 + 11269449 = 7060^2 + 3357^2 .

It is a cyclic number.

It is not a de Polignac number, because 61113049 - 2¹⁹ = 60588761 is a prime.

It is not a weakly prime, because it can be changed into another prime (61113043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30556524 + 30556525.

It is an arithmetic number, because the mean of its divisors is an integer number (30556525).

Almost surely, 2^61113049 is an apocalyptic number.

It is an amenable number.

61113049 is a deficient number, since it is larger than the sum of its proper divisors (1).

61113049 is an equidigital number, since it uses as much as digits as its factorization.

61113049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 61113049 is about 7817.4835465129. The cubic root of 61113049 is about 393.8927469668.

The spelling of 61113049 in words is "sixty-one million, one hundred thirteen thousand, forty-nine".