2528402 has 8 divisors (see below), whose sum is σ = 3831996. Its totient is φ = 1251072.

The previous prime is 2528399. The next prime is 2528411. The reversal of 2528402 is 2048252.

It can be written as a sum of positive squares in 2 ways, for example, as 2524921 + 3481 = 1589^2 + 59^2 .

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

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, 6323 + ... + 6710.

2^2528402 is an apocalyptic number.

2528402 is a deficient number, since it is larger than the sum of its proper divisors (1303594).

2528402 is a wasteful number, since it uses less digits than its factorization.

2528402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13132.

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 2528402 is about 1590.0949657175. The cubic root of 2528402 is about 136.2329125949.

The spelling of 2528402 in words is "two million, five hundred twenty-eight thousand, four hundred two".