103009057 has 2 divisors, whose sum is σ = 103009058. Its totient is φ = 103009056.

The previous prime is 103009031. The next prime is 103009061. The reversal of 103009057 is 750900301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 86936976 + 16072081 = 9324^2 + 4009^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103009057 is a prime.

It is a super-2 number, since 2×103009057² = 21221731648058498, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (103009087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51504528 + 51504529.

It is an arithmetic number, because the mean of its divisors is an integer number (51504529).

Almost surely, 2^103009057 is an apocalyptic number.

It is an amenable number.

103009057 is a deficient number, since it is larger than the sum of its proper divisors (1).

103009057 is an equidigital number, since it uses as much as digits as its factorization.

103009057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 945, while the sum is 25.

The square root of 103009057 is about 10149.3377616473. The cubic root of 103009057 is about 468.7685538849.

Adding to 103009057 its reverse (750900301), we get a palindrome (853909358).

The spelling of 103009057 in words is "one hundred three million, nine thousand, fifty-seven".