4153257 has 12 divisors (see below), whose sum is σ = 6017284. Its totient is φ = 2760480.

The previous prime is 4153231. The next prime is 4153273. The reversal of 4153257 is 7523514.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 826281 + 3326976 = 909^2 + 1824^2 .

It is not a de Polignac number, because 4153257 - 2¹² = 4149161 is a prime.

It is a Duffinian number.

Its product of digits (4200) is a multiple of the sum of its prime factors (1400).

4153257 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 4153257.

It is not an unprimeable number, because it can be changed into a prime (4153207) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4443 + ... + 5295.

Almost surely, 2^4153257 is an apocalyptic number.

It is an amenable number.

4153257 is a deficient number, since it is larger than the sum of its proper divisors (1864027).

4153257 is a wasteful number, since it uses less digits than its factorization.

4153257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1400 (or 1397 counting only the distinct ones).

The product of its digits is 4200, while the sum is 27.

The square root of 4153257 is about 2037.9541211715. The cubic root of 4153257 is about 160.7420867038.

The spelling of 4153257 in words is "four million, one hundred fifty-three thousand, two hundred fifty-seven".