2527521 has 4 divisors (see below), whose sum is σ = 3370032. Its totient is φ = 1685012.

The previous prime is 2527489. The next prime is 2527537. The reversal of 2527521 is 1257252.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2527521 - 2⁵ = 2527489 is a prime.

It is a D-number.

It is a junction number, because it is equal to n+sod(n) for n = 2527491 and 2527500.

It is not an unprimeable number, because it can be changed into a prime (2527541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 421251 + ... + 421256.

It is an arithmetic number, because the mean of its divisors is an integer number (842508).

2^2527521 is an apocalyptic number.

It is an amenable number.

2527521 is a deficient number, since it is larger than the sum of its proper divisors (842511).

2527521 is an equidigital number, since it uses as much as digits as its factorization.

2527521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 842510.

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

The square root of 2527521 is about 1589.8179141021. The cubic root of 2527521 is about 136.2170876933.

The spelling of 2527521 in words is "two million, five hundred twenty-seven thousand, five hundred twenty-one".