103033661 has 2 divisors, whose sum is σ = 103033662. Its totient is φ = 103033660.

The previous prime is 103033657. The next prime is 103033663. The reversal of 103033661 is 166330301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 95160025 + 7873636 = 9755^2 + 2806^2 .

It is a cyclic number.

It is not a de Polignac number, because 103033661 - 2² = 103033657 is a prime.

Together with 103033663, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103033663) 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, 51516830 + 51516831.

It is an arithmetic number, because the mean of its divisors is an integer number (51516831).

Almost surely, 2^103033661 is an apocalyptic number.

It is an amenable number.

103033661 is a deficient number, since it is larger than the sum of its proper divisors (1).

103033661 is an equidigital number, since it uses as much as digits as its factorization.

103033661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 23.

The square root of 103033661 is about 10150.5497880657. The cubic root of 103033661 is about 468.8058731384.

Adding to 103033661 its reverse (166330301), we get a palindrome (269363962).

The spelling of 103033661 in words is "one hundred three million, thirty-three thousand, six hundred sixty-one".