4019265 has 12 divisors (see below), whose sum is σ = 6966804. Its totient is φ = 2143584.

The previous prime is 4019251. The next prime is 4019311. The reversal of 4019265 is 5629104.

It can be written as a sum of positive squares in 2 ways, for example, as 1557504 + 2461761 = 1248^2 + 1569^2 .

It is not a de Polignac number, because 4019265 - 2⁸ = 4019009 is a prime.

It is a super-2 number, since 2×4019265² = 32308982280450, which contains 22 as substring.

It is a Curzon number.

4019265 is a lucky number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44614 + ... + 44703.

It is an arithmetic number, because the mean of its divisors is an integer number (580567).

Almost surely, 2^4019265 is an apocalyptic number.

4019265 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4019265 is a deficient number, since it is larger than the sum of its proper divisors (2947539).

4019265 is a wasteful number, since it uses less digits than its factorization.

4019265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89328 (or 89325 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 4019265 is about 2004.8104648570. The cubic root of 4019265 is about 158.9945411678.

The spelling of 4019265 in words is "four million, nineteen thousand, two hundred sixty-five".