4257495 has 64 divisors (see below), whose sum is σ = 8570880. Its totient is φ = 1987200.

The previous prime is 4257469. The next prime is 4257503. The reversal of 4257495 is 5947524.

It is not a de Polignac number, because 4257495 - 2¹⁰ = 4256471 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 (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 69765 + ... + 69825.

It is an arithmetic number, because the mean of its divisors is an integer number (133920).

Almost surely, 2^4257495 is an apocalyptic number.

4257495 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

4257495 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

4257495 is a wasteful number, since it uses less digits than its factorization.

4257495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133 (or 127 counting only the distinct ones).

The product of its digits is 50400, while the sum is 36.

The square root of 4257495 is about 2063.3698165864. The cubic root of 4257495 is about 162.0757533229.

The spelling of 4257495 in words is "four million, two hundred fifty-seven thousand, four hundred ninety-five".