4025365 has 4 divisors (see below), whose sum is σ = 4830444. Its totient is φ = 3220288.

The previous prime is 4025353. The next prime is 4025369. The reversal of 4025365 is 5635204.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2845969 + 1179396 = 1687^2 + 1086^2 .

It is a cyclic number.

It is not a de Polignac number, because 4025365 - 2¹¹ = 4023317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4025369) 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, 402532 + ... + 402541.

It is an arithmetic number, because the mean of its divisors is an integer number (1207611).

Almost surely, 2^4025365 is an apocalyptic number.

It is an amenable number.

4025365 is a deficient number, since it is larger than the sum of its proper divisors (805079).

4025365 is an equidigital number, since it uses as much as digits as its factorization.

4025365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 805078.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 4025365 is about 2006.3312288852. The cubic root of 4025365 is about 159.0749353411.

It can be divided in two parts, 40 and 25365, that multiplied together give a triangular number (1014600 = T₁₄₂₄).

The spelling of 4025365 in words is "four million, twenty-five thousand, three hundred sixty-five".