4375257 has 8 divisors (see below), whose sum is σ = 5907840. Its totient is φ = 2879760.

The previous prime is 4375253. The next prime is 4375321. The reversal of 4375257 is 7525734.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4375257 - 2² = 4375253 is a prime.

It is an Ulam number.

4375257 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4375253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8994 + ... + 9467.

It is an arithmetic number, because the mean of its divisors is an integer number (738480).

Almost surely, 2^4375257 is an apocalyptic number.

It is an amenable number.

4375257 is a deficient number, since it is larger than the sum of its proper divisors (1532583).

4375257 is a wasteful number, since it uses less digits than its factorization.

4375257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18543.

The product of its digits is 29400, while the sum is 33.

The square root of 4375257 is about 2091.7115001835. The cubic root of 4375257 is about 163.5565179764.

The spelling of 4375257 in words is "four million, three hundred seventy-five thousand, two hundred fifty-seven".