2528971 has 4 divisors (see below), whose sum is σ = 2677752. Its totient is φ = 2380192.

The previous prime is 2528969. The next prime is 2528983. The reversal of 2528971 is 1798252.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2528971 - 2¹ = 2528969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2528941) 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, 74365 + ... + 74398.

It is an arithmetic number, because the mean of its divisors is an integer number (669438).

2^2528971 is an apocalyptic number.

2528971 is a deficient number, since it is larger than the sum of its proper divisors (148781).

2528971 is a wasteful number, since it uses less digits than its factorization.

2528971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148780.

The product of its digits is 10080, while the sum is 34.

The square root of 2528971 is about 1590.2738757837. The cubic root of 2528971 is about 136.2431312644.

The spelling of 2528971 in words is "two million, five hundred twenty-eight thousand, nine hundred seventy-one".