2528405 has 8 divisors (see below), whose sum is σ = 3309984. Its totient is φ = 1838800.

The previous prime is 2528399. The next prime is 2528411. The reversal of 2528405 is 5048252.

It is an interprime number because it is at equal distance from previous prime (2528399) and next prime (2528411).

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

It is not a de Polignac number, because 2528405 - 2¹⁰ = 2527381 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22931 + ... + 23040.

It is an arithmetic number, because the mean of its divisors is an integer number (413748).

2^2528405 is an apocalyptic number.

It is an amenable number.

2528405 is a deficient number, since it is larger than the sum of its proper divisors (781579).

2528405 is a wasteful number, since it uses less digits than its factorization.

2528405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45987.

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 2528405 is about 1590.0959090571. The cubic root of 2528405 is about 136.2329664760.

The spelling of 2528405 in words is "two million, five hundred twenty-eight thousand, four hundred five".