61477093 has 2 divisors, whose sum is σ = 61477094. Its totient is φ = 61477092.

The previous prime is 61477079. The next prime is 61477099. The reversal of 61477093 is 39077416.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61434244 + 42849 = 7838^2 + 207^2 .

It is a cyclic number.

It is not a de Polignac number, because 61477093 - 2⁹ = 61476581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61477099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30738546 + 30738547.

It is an arithmetic number, because the mean of its divisors is an integer number (30738547).

Almost surely, 2^61477093 is an apocalyptic number.

It is an amenable number.

61477093 is a deficient number, since it is larger than the sum of its proper divisors (1).

61477093 is an equidigital number, since it uses as much as digits as its factorization.

61477093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31752, while the sum is 37.

The square root of 61477093 is about 7840.7329376787. The cubic root of 61477093 is about 394.6733249494.

The spelling of 61477093 in words is "sixty-one million, four hundred seventy-seven thousand, ninety-three".