4157265 has 48 divisors (see below), whose sum is σ = 8134272. Its totient is φ = 1775616.

The previous prime is 4157239. The next prime is 4157269. The reversal of 4157265 is 5627514.

It is not a de Polignac number, because 4157265 - 2⁶ = 4157201 is a prime.

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4157269) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 30277 + ... + 30413.

It is an arithmetic number, because the mean of its divisors is an integer number (169464).

Almost surely, 2^4157265 is an apocalyptic number.

It is an amenable number.

4157265 is a deficient number, since it is larger than the sum of its proper divisors (3977007).

4157265 is a wasteful number, since it uses less digits than its factorization.

4157265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186 (or 169 counting only the distinct ones).

The product of its digits is 8400, while the sum is 30.

The square root of 4157265 is about 2038.9372231631. The cubic root of 4157265 is about 160.7937768315.

The spelling of 4157265 in words is "four million, one hundred fifty-seven thousand, two hundred sixty-five".