2251017 has 16 divisors (see below), whose sum is σ = 3358080. Its totient is φ = 1490256.

The previous prime is 2251001. The next prime is 2251031. The reversal of 2251017 is 7101522.

It is not a de Polignac number, because 2251017 - 2⁴ = 2251001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2251057) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6943 + ... + 7259.

It is an arithmetic number, because the mean of its divisors is an integer number (209880).

2^2251017 is an apocalyptic number.

2251017 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

2251017 is a deficient number, since it is larger than the sum of its proper divisors (1107063).

2251017 is a wasteful number, since it uses less digits than its factorization.

2251017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 589 (or 583 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 18.

The square root of 2251017 is about 1500.3389617017. The cubic root of 2251017 is about 131.0568096551.

Adding to 2251017 its reverse (7101522), we get a palindrome (9352539).

The spelling of 2251017 in words is "two million, two hundred fifty-one thousand, seventeen".