945995903 has 4 divisors (see below), whose sum is σ = 957393528. Its totient is φ = 934598280.

The previous prime is 945995891. The next prime is 945995927. The reversal of 945995903 is 309599549.

945995903 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 309599549 = 7 ⋅44228507.

It is a cyclic number.

It is not a de Polignac number, because 945995903 - 2⁶ = 945995839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (945995003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5698688 + ... + 5698853.

It is an arithmetic number, because the mean of its divisors is an integer number (239348382).

Almost surely, 2^945995903 is an apocalyptic number.

945995903 is a deficient number, since it is larger than the sum of its proper divisors (11397625).

945995903 is a wasteful number, since it uses less digits than its factorization.

945995903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11397624.

The product of its (nonzero) digits is 1968300, while the sum is 53.

The square root of 945995903 is about 30757.0463959074. The cubic root of 945995903 is about 981.6644984577.

The spelling of 945995903 in words is "nine hundred forty-five million, nine hundred ninety-five thousand, nine hundred three".