2525242 has 4 divisors (see below), whose sum is σ = 3787866. Its totient is φ = 1262620.

The previous prime is 2525227. The next prime is 2525249. The reversal of 2525242 is 2425252.

It is a happy number.

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., 2047761 + 477481 = 1431^2 + 691^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a d-powerful number, because it can be written as 2⁹ + 5² + 2¹² + 5⁸ + 2¹⁵ + 4³ + 2²¹ .

It is not an unprimeable number, because it can be changed into a prime (2525249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 631309 + ... + 631312.

2^2525242 is an apocalyptic number.

2525242 is a deficient number, since it is larger than the sum of its proper divisors (1262624).

2525242 is a wasteful number, since it uses less digits than its factorization.

2525242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1262623.

The product of its digits is 1600, while the sum is 22.

The square root of 2525242 is about 1589.1010037125. The cubic root of 2525242 is about 136.1761342460.

The spelling of 2525242 in words is "two million, five hundred twenty-five thousand, two hundred forty-two".