2123526 has 8 divisors (see below), whose sum is σ = 4247064. Its totient is φ = 707840.

The previous prime is 2123491. The next prime is 2123557. The reversal of 2123526 is 6253212.

It is a sphenic number, since it is the product of 3 distinct primes.

2123526 is an admirable number.

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 3 ways as a sum of consecutive naturals, for example, 176955 + ... + 176966.

It is an arithmetic number, because the mean of its divisors is an integer number (530883).

2^2123526 is an apocalyptic number.

2123526 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2123526 is a wasteful number, since it uses less digits than its factorization.

2123526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353926.

The product of its digits is 720, while the sum is 21.

The square root of 2123526 is about 1457.2323081788. The cubic root of 2123526 is about 128.5343466253.

Adding to 2123526 its reverse (6253212), we get a palindrome (8376738).

The spelling of 2123526 in words is "two million, one hundred twenty-three thousand, five hundred twenty-six".