4257095 has 4 divisors (see below), whose sum is σ = 5108520. Its totient is φ = 3405672.

The previous prime is 4257067. The next prime is 4257101. The reversal of 4257095 is 5907524.

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

It is a cyclic number.

It is not a de Polignac number, because 4257095 - 2⁸ = 4256839 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 425705 + ... + 425714.

It is an arithmetic number, because the mean of its divisors is an integer number (1277130).

Almost surely, 2^4257095 is an apocalyptic number.

4257095 is a deficient number, since it is larger than the sum of its proper divisors (851425).

4257095 is an equidigital number, since it uses as much as digits as its factorization.

4257095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 851424.

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 4257095 is about 2063.2728854904. The cubic root of 4257095 is about 162.0706773857.

The spelling of 4257095 in words is "four million, two hundred fifty-seven thousand, ninety-five".