7528401 has 12 divisors (see below), whose sum is σ = 10902528. Its totient is φ = 5005944.

The previous prime is 7528393. The next prime is 7528403. The reversal of 7528401 is 1048257.

It is not a de Polignac number, because 7528401 - 2³ = 7528393 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7528403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3696 + ... + 5358.

It is an arithmetic number, because the mean of its divisors is an integer number (908544).

Almost surely, 2^7528401 is an apocalyptic number.

It is an amenable number.

7528401 is a deficient number, since it is larger than the sum of its proper divisors (3374127).

7528401 is a wasteful number, since it uses less digits than its factorization.

7528401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2172 (or 2169 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 7528401 is about 2743.7931773368. The cubic root of 7528401 is about 195.9901511780.

The spelling of 7528401 in words is "seven million, five hundred twenty-eight thousand, four hundred one".