61393093 has 2 divisors, whose sum is σ = 61393094. Its totient is φ = 61393092.

The previous prime is 61393091. The next prime is 61393181. The reversal of 61393093 is 39039316.

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., 60559524 + 833569 = 7782^2 + 913^2 .

It is a cyclic number.

It is not a de Polignac number, because 61393093 - 2¹ = 61393091 is a prime.

It is a super-2 number, since 2×61393093² = 7538223736213298, which contains 22 as substring.

Together with 61393091, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61393091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30696546 + 30696547.

It is an arithmetic number, because the mean of its divisors is an integer number (30696547).

Almost surely, 2^61393093 is an apocalyptic number.

It is an amenable number.

61393093 is a deficient number, since it is larger than the sum of its proper divisors (1).

61393093 is an equidigital number, since it uses as much as digits as its factorization.

61393093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13122, while the sum is 34.

The square root of 61393093 is about 7835.3744645677. The cubic root of 61393093 is about 394.4934873946.

The spelling of 61393093 in words is "sixty-one million, three hundred ninety-three thousand, ninety-three".