2523851 has 6 divisors (see below), whose sum is σ = 2759052. Its totient is φ = 2289620.

The previous prime is 2523839. The next prime is 2523863. The reversal of 2523851 is 1583252.

It is an interprime number because it is at equal distance from previous prime (2523839) and next prime (2523863).

It is not a de Polignac number, because 2523851 - 2¹⁰ = 2522827 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2523851.

It is not an unprimeable number, because it can be changed into a prime (2523821) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5030 + ... + 5508.

It is an arithmetic number, because the mean of its divisors is an integer number (459842).

2^2523851 is an apocalyptic number.

2523851 is a deficient number, since it is larger than the sum of its proper divisors (235201).

2523851 is an frugal number, since it uses more digits than its factorization.

2523851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 969 (or 490 counting only the distinct ones).

The product of its digits is 2400, while the sum is 26.

The square root of 2523851 is about 1588.6632745802. The cubic root of 2523851 is about 136.1511259770.

The spelling of 2523851 in words is "two million, five hundred twenty-three thousand, eight hundred fifty-one".