2573428 has 36 divisors (see below), whose sum is σ = 5343940. Its totient is φ = 1077120.

The previous prime is 2573423. The next prime is 2573437. The reversal of 2573428 is 8243752.

It can be written as a sum of positive squares in 2 ways, for example, as 1411344 + 1162084 = 1188^2 + 1078^2 .

Its product of digits (13440) is a multiple of the sum of its prime factors (448).

It is a self number, because there is not a number n which added to its sum of digits gives 2573428.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2573423) 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, 6088 + ... + 6496.

2^2573428 is an apocalyptic number.

It is an amenable number.

2573428 is an abundant number, since it is smaller than the sum of its proper divisors (2770512).

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

2573428 is a wasteful number, since it uses less digits than its factorization.

2573428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448 (or 435 counting only the distinct ones).

The product of its digits is 13440, while the sum is 31.

The square root of 2573428 is about 1604.1907617238. The cubic root of 2573428 is about 137.0368416378.

The spelling of 2573428 in words is "two million, five hundred seventy-three thousand, four hundred twenty-eight".