2865925 has 24 divisors (see below), whose sum is σ = 3794400. Its totient is φ = 2143680.

The previous prime is 2865923. The next prime is 2865931. The reversal of 2865925 is 5295682.

2865925 = T₄₃₀ + T₄₃₁ + ... + T₄₅₈.

It is a happy number.

It is not a de Polignac number, because 2865925 - 2¹ = 2865923 is a prime.

It is a super-2 number, since 2×2865925² = 16427052211250, which contains 22 as substring.

Its product of digits (43200) is a multiple of the sum of its prime divisors (160).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2865923) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42742 + ... + 42808.

It is an arithmetic number, because the mean of its divisors is an integer number (158100).

2^2865925 is an apocalyptic number.

2865925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2865925 is a deficient number, since it is larger than the sum of its proper divisors (928475).

2865925 is a wasteful number, since it uses less digits than its factorization.

2865925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165 (or 160 counting only the distinct ones).

The product of its digits is 43200, while the sum is 37.

The square root of 2865925 is about 1692.9043091681. The cubic root of 2865925 is about 142.0435791655.

The spelling of 2865925 in words is "two million, eight hundred sixty-five thousand, nine hundred twenty-five".