4257315 has 24 divisors (see below), whose sum is σ = 7469280. Its totient is φ = 2242944.

The previous prime is 4257313. The next prime is 4257353. The reversal of 4257315 is 5137524.

It is a happy number.

It is not a de Polignac number, because 4257315 - 2¹ = 4257313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4257313) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3474 + ... + 4536.

It is an arithmetic number, because the mean of its divisors is an integer number (311220).

Almost surely, 2^4257315 is an apocalyptic number.

4257315 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

4257315 is a deficient number, since it is larger than the sum of its proper divisors (3211965).

4257315 is a wasteful number, since it uses less digits than its factorization.

4257315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1163 (or 1160 counting only the distinct ones).

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

The square root of 4257315 is about 2063.3261981568. The cubic root of 4257315 is about 162.0734691906.

The spelling of 4257315 in words is "four million, two hundred fifty-seven thousand, three hundred fifteen".