2523394 has 4 divisors (see below), whose sum is σ = 3785094. Its totient is φ = 1261696.

The previous prime is 2523379. The next prime is 2523401. The reversal of 2523394 is 4933252.

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., 2235025 + 288369 = 1495^2 + 537^2 .

It is a d-powerful number, because it can be written as 2¹⁵ + 5⁹ + 2¹⁹ + 3³ + 3⁸ + 9⁴ + 4³ .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 630847 + ... + 630850.

2^2523394 is an apocalyptic number.

2523394 is a deficient number, since it is larger than the sum of its proper divisors (1261700).

2523394 is a wasteful number, since it uses less digits than its factorization.

2523394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1261699.

The product of its digits is 6480, while the sum is 28.

The square root of 2523394 is about 1588.5194364565. The cubic root of 2523394 is about 136.1429077395.

The spelling of 2523394 in words is "two million, five hundred twenty-three thousand, three hundred ninety-four".