903081089 has 8 divisors (see below), whose sum is σ = 982047528. Its totient is φ = 826986240.

The previous prime is 903081073. The next prime is 903081107. The reversal of 903081089 is 980180309.

903081089 = 137² + 138² + ... + 1394².

It can be written as a sum of positive squares in 4 ways, for example, as 215854864 + 687226225 = 14692^2 + 26215^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 903081089 - 2⁴ = 903081073 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (903087089) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 717242 + ... + 718499.

It is an arithmetic number, because the mean of its divisors is an integer number (122755941).

Almost surely, 2^903081089 is an apocalyptic number.

It is an amenable number.

903081089 is a deficient number, since it is larger than the sum of its proper divisors (78966439).

903081089 is a wasteful number, since it uses less digits than its factorization.

903081089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1435795.

The product of its (nonzero) digits is 15552, while the sum is 38.

The square root of 903081089 is about 30051.3076088213. The cubic root of 903081089 is about 966.5898922115.

The spelling of 903081089 in words is "nine hundred three million, eighty-one thousand, eighty-nine".