2533428 has 18 divisors (see below), whose sum is σ = 6404034. Its totient is φ = 844464.

The previous prime is 2533417. The next prime is 2533429. The reversal of 2533428 is 8243352.

It can be written as a sum of positive squares in only one way, i.e., 1340964 + 1192464 = 1158^2 + 1092^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2533429) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 35151 + ... + 35222.

2^2533428 is an apocalyptic number.

It is an amenable number.

2533428 is an abundant number, since it is smaller than the sum of its proper divisors (3870606).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2533428 is a wasteful number, since it uses less digits than its factorization.

2533428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70383 (or 70378 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 2533428 is about 1591.6745898581. The cubic root of 2533428 is about 136.3231215396.

The spelling of 2533428 in words is "two million, five hundred thirty-three thousand, four hundred twenty-eight".