2572521 has 8 divisors (see below), whose sum is σ = 3920064. Its totient is φ = 1470000.

The previous prime is 2572519. The next prime is 2572523. The reversal of 2572521 is 1252752.

It is an interprime number because it is at equal distance from previous prime (2572519) and next prime (2572523).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2572521 - 2¹ = 2572519 is a prime.

2572521 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2572491 and 2572500.

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, 61230 + ... + 61271.

It is an arithmetic number, because the mean of its divisors is an integer number (490008).

2^2572521 is an apocalyptic number.

2572521 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2572521 is a deficient number, since it is larger than the sum of its proper divisors (1347543).

2572521 is a wasteful number, since it uses less digits than its factorization.

2572521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122511.

The product of its digits is 1400, while the sum is 24.

The square root of 2572521 is about 1603.9080397579. The cubic root of 2572521 is about 137.0207402844.

It can be divided in two parts, 25725 and 21, that multiplied together give a square (540225 = 735²).

The spelling of 2572521 in words is "two million, five hundred seventy-two thousand, five hundred twenty-one".