103256057 has 2 divisors, whose sum is σ = 103256058. Its totient is φ = 103256056.

The previous prime is 103256053. The next prime is 103256063. The reversal of 103256057 is 750652301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66520336 + 36735721 = 8156^2 + 6061^2 .

It is a cyclic number.

It is not a de Polignac number, because 103256057 - 2² = 103256053 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (103256053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51628028 + 51628029.

It is an arithmetic number, because the mean of its divisors is an integer number (51628029).

Almost surely, 2^103256057 is an apocalyptic number.

It is an amenable number.

103256057 is a deficient number, since it is larger than the sum of its proper divisors (1).

103256057 is an equidigital number, since it uses as much as digits as its factorization.

103256057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6300, while the sum is 29.

The square root of 103256057 is about 10161.4987575652. The cubic root of 103256057 is about 469.1429332960.

The spelling of 103256057 in words is "one hundred three million, two hundred fifty-six thousand, fifty-seven".