903641 has 2 divisors, whose sum is σ = 903642. Its totient is φ = 903640.

The previous prime is 903613. The next prime is 903649. The reversal of 903641 is 146309.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 577600 + 326041 = 760^2 + 571^2 .

It is an emirp because it is prime and its reverse (146309) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-903641 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 903641.

It is not a weakly prime, because it can be changed into another prime (903649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 451820 + 451821.

It is an arithmetic number, because the mean of its divisors is an integer number (451821).

2⁹⁰³⁶⁴¹ is an apocalyptic number.

It is an amenable number.

903641 is a deficient number, since it is larger than the sum of its proper divisors (1).

903641 is an equidigital number, since it uses as much as digits as its factorization.

903641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 903641 is about 950.6003366294. The cubic root of 903641 is about 96.6789613111.

The spelling of 903641 in words is "nine hundred three thousand, six hundred forty-one".