61925057 has 2 divisors, whose sum is σ = 61925058. Its totient is φ = 61925056.

The previous prime is 61925029. The next prime is 61925077. The reversal of 61925057 is 75052916.

61925057 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56911936 + 5013121 = 7544^2 + 2239^2 .

It is a cyclic number.

It is not a de Polignac number, because 61925057 - 2¹⁴ = 61908673 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (61925027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30962528 + 30962529.

It is an arithmetic number, because the mean of its divisors is an integer number (30962529).

Almost surely, 2^61925057 is an apocalyptic number.

It is an amenable number.

61925057 is a deficient number, since it is larger than the sum of its proper divisors (1).

61925057 is an equidigital number, since it uses as much as digits as its factorization.

61925057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18900, while the sum is 35.

The square root of 61925057 is about 7869.2475497979. The cubic root of 61925057 is about 395.6296255575.

The spelling of 61925057 in words is "sixty-one million, nine hundred twenty-five thousand, fifty-seven".