2500017 has 12 divisors (see below), whose sum is σ = 3610224. Its totient is φ = 1538160.

The previous prime is 2500009. The next prime is 2500027. The reversal of 2500017 is 7100052.

It is a happy number.

It is not a de Polignac number, because 2500017 - 2³ = 2500009 is a prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 2499969 and 2500005.

It is not an unprimeable number, because it can be changed into a prime (2500027) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1959 + ... + 2972.

It is an arithmetic number, because the mean of its divisors is an integer number (300852).

2^2500017 is an apocalyptic number.

It is an amenable number.

2500017 is a deficient number, since it is larger than the sum of its proper divisors (1110207).

2500017 is a wasteful number, since it uses less digits than its factorization.

2500017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4960 (or 4947 counting only the distinct ones).

The product of its (nonzero) digits is 70, while the sum is 15.

The square root of 2500017 is about 1581.1442059471. The cubic root of 2500017 is about 135.7211884630.

Adding to 2500017 its reverse (7100052), we get a palindrome (9600069).

The spelling of 2500017 in words is "two million, five hundred thousand, seventeen".