2523298 has 4 divisors (see below), whose sum is σ = 3784950. Its totient is φ = 1261648.

The previous prime is 2523251. The next prime is 2523317. The reversal of 2523298 is 8923252.

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., 2064969 + 458329 = 1437^2 + 677^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 630823 + ... + 630826.

2^2523298 is an apocalyptic number.

2523298 is a deficient number, since it is larger than the sum of its proper divisors (1261652).

2523298 is a wasteful number, since it uses less digits than its factorization.

2523298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1261651.

The product of its digits is 8640, while the sum is 31.

The square root of 2523298 is about 1588.4892193528. The cubic root of 2523298 is about 136.1411812441.

The spelling of 2523298 in words is "two million, five hundred twenty-three thousand, two hundred ninety-eight".