2528361 has 16 divisors (see below), whose sum is σ = 4086720. Its totient is φ = 1532160.

The previous prime is 2528353. The next prime is 2528371. The reversal of 2528361 is 1638252.

It is not a de Polignac number, because 2528361 - 2³ = 2528353 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

It is a d-powerful number, because it can be written as 2¹⁷ + 5 + 2²¹ + 8³ + 3⁹ + 6⁷ + 1 .

2528361 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2528371) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3960 + ... + 4553.

It is an arithmetic number, because the mean of its divisors is an integer number (255420).

2^2528361 is an apocalyptic number.

It is an amenable number.

2528361 is a deficient number, since it is larger than the sum of its proper divisors (1558359).

2528361 is a wasteful number, since it uses less digits than its factorization.

2528361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8533 (or 8527 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 2528361 is about 1590.0820733534. The cubic root of 2528361 is about 136.2321762168.

The spelling of 2528361 in words is "two million, five hundred twenty-eight thousand, three hundred sixty-one".