2170533 has 16 divisors (see below), whose sum is σ = 3064320. Its totient is φ = 1363824.

The previous prime is 2170529. The next prime is 2170537. The reversal of 2170533 is 3350712.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2170529) and next prime (2170537).

It is not a de Polignac number, because 2170533 - 2² = 2170529 is a prime.

It is a super-2 number, since 2×2170533² = 9422427008178, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2170537) 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, 5538 + ... + 5916.

It is an arithmetic number, because the mean of its divisors is an integer number (191520).

2^2170533 is an apocalyptic number.

2170533 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2170533 is a deficient number, since it is larger than the sum of its proper divisors (893787).

2170533 is a wasteful number, since it uses less digits than its factorization.

2170533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488.

The product of its (nonzero) digits is 630, while the sum is 21.

The square root of 2170533 is about 1473.2728871462. The cubic root of 2170533 is about 129.4758580141.

The spelling of 2170533 in words is "two million, one hundred seventy thousand, five hundred thirty-three".