2987825 has 6 divisors (see below), whose sum is σ = 3704934. Its totient is φ = 2390240.

The previous prime is 2987821. The next prime is 2987827. The reversal of 2987825 is 5287892.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 87616 + 2900209 = 296^2 + 1703^2 .

It is not a de Polignac number, because 2987825 - 2² = 2987821 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2987821) 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, 59732 + ... + 59781.

It is an arithmetic number, because the mean of its divisors is an integer number (617489).

2^2987825 is an apocalyptic number.

2987825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2987825 is a deficient number, since it is larger than the sum of its proper divisors (717109).

2987825 is a wasteful number, since it uses less digits than its factorization.

2987825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119523 (or 119518 counting only the distinct ones).

The product of its digits is 80640, while the sum is 41.

The square root of 2987825 is about 1728.5326146764. The cubic root of 2987825 is about 144.0295881844.

The spelling of 2987825 in words is "two million, nine hundred eighty-seven thousand, eight hundred twenty-five".