10017945 has 32 divisors (see below), whose sum is σ = 20355840. Its totient is φ = 4579200.

The previous prime is 10017923. The next prime is 10017961. The reversal of 10017945 is 54971001.

10017945 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10017945 - 2⁶ = 10017881 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4356 + ... + 6245.

It is an arithmetic number, because the mean of its divisors is an integer number (636120).

Almost surely, 2^10017945 is an apocalyptic number.

10017945 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10017945 is an abundant number, since it is smaller than the sum of its proper divisors (10337895).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10017945 is a wasteful number, since it uses less digits than its factorization.

10017945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10622 (or 10616 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 27.

The square root of 10017945 is about 3165.1137420320. The cubic root of 10017945 is about 215.5722630953.

Adding to 10017945 its reverse (54971001), we get a palindrome (64988946).

The spelling of 10017945 in words is "ten million, seventeen thousand, nine hundred forty-five".