4252657 has 4 divisors (see below), whose sum is σ = 4351600. Its totient is φ = 4153716.

The previous prime is 4252583. The next prime is 4252679. The reversal of 4252657 is 7562524.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4252657 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 4⁶ + 2¹⁶ + 5⁶ + 2²¹ + 6⁸ + 5⁸ + 7 .

4252657 is a lucky number.

It is a zygodrome in base 3.

It is not an unprimeable number, because it can be changed into a prime (4252757) by changing a digit.

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, 49407 + ... + 49492.

It is an arithmetic number, because the mean of its divisors is an integer number (1087900).

Almost surely, 2^4252657 is an apocalyptic number.

It is an amenable number.

4252657 is a deficient number, since it is larger than the sum of its proper divisors (98943).

4252657 is an equidigital number, since it uses as much as digits as its factorization.

4252657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98942.

The product of its digits is 16800, while the sum is 31.

The square root of 4252657 is about 2062.1971292774. The cubic root of 4252657 is about 162.0143385165.

The spelling of 4252657 in words is "four million, two hundred fifty-two thousand, six hundred fifty-seven".