2572520 has 32 divisors (see below), whose sum is σ = 5874120. Its totient is φ = 1013760.

The previous prime is 2572519. The next prime is 2572523. The reversal of 2572520 is 252752.

It can be written as a sum of positive squares in 4 ways, for example, as 1737124 + 835396 = 1318^2 + 914^2 .

It is not an unprimeable number, because it can be changed into a prime (2572523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2480 + ... + 3360.

2^2572520 is an apocalyptic number.

2572520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2572520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2937060).

2572520 is an abundant number, since it is smaller than the sum of its proper divisors (3301600).

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

2572520 is a wasteful number, since it uses less digits than its factorization.

2572520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 965 (or 961 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 23.

The square root of 2572520 is about 1603.9077280193. The cubic root of 2572520 is about 137.0207225300.

The spelling of 2572520 in words is "two million, five hundred seventy-two thousand, five hundred twenty".