61942393 has 2 divisors, whose sum is σ = 61942394. Its totient is φ = 61942392.

The previous prime is 61942369. The next prime is 61942417. The reversal of 61942393 is 39324916.

It is a balanced prime because it is at equal distance from previous prime (61942369) and next prime (61942417).

It can be written as a sum of positive squares in only one way, i.e., 60793209 + 1149184 = 7797^2 + 1072^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61942393 is a prime.

It is equal to p_3670399 and since 61942393 and 3670399 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (61942333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30971196 + 30971197.

It is an arithmetic number, because the mean of its divisors is an integer number (30971197).

Almost surely, 2^61942393 is an apocalyptic number.

It is an amenable number.

61942393 is a deficient number, since it is larger than the sum of its proper divisors (1).

61942393 is an equidigital number, since it uses as much as digits as its factorization.

61942393 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34992, while the sum is 37.

The square root of 61942393 is about 7870.3489757443. The cubic root of 61942393 is about 395.6665411217. Note that the first 3 decimals are identical.

The spelling of 61942393 in words is "sixty-one million, nine hundred forty-two thousand, three hundred ninety-three".