2523826 has 4 divisors (see below), whose sum is σ = 3785742. Its totient is φ = 1261912.

The previous prime is 2523821. The next prime is 2523839. The reversal of 2523826 is 6283252.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1324801 + 1199025 = 1151^2 + 1095^2 .

It is an Ulam number.

It is a d-powerful number, because it can be written as 2¹⁰ + 5⁸ + 2¹⁵ + 3⁷ + 8² + 2²¹ + 6 .

It is a junction number, because it is equal to n+sod(n) for n = 2523794 and 2523803.

It is not an unprimeable number, because it can be changed into a prime (2523821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 630955 + ... + 630958.

2^2523826 is an apocalyptic number.

2523826 is a deficient number, since it is larger than the sum of its proper divisors (1261916).

2523826 is a wasteful number, since it uses less digits than its factorization.

2523826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1261915.

The product of its digits is 5760, while the sum is 28.

The square root of 2523826 is about 1588.6554063106. The cubic root of 2523826 is about 136.1506764273.

The spelling of 2523826 in words is "two million, five hundred twenty-three thousand, eight hundred twenty-six".