1252657 has 4 divisors (see below), whose sum is σ = 1431616. Its totient is φ = 1073700.

The previous prime is 1252639. The next prime is 1252661. The reversal of 1252657 is 7562521.

1252657 is nontrivially palindromic in base 4.

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 not a de Polignac number, because 1252657 - 2¹¹ = 1250609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1252057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89469 + ... + 89482.

It is an arithmetic number, because the mean of its divisors is an integer number (357904).

2^1252657 is an apocalyptic number.

It is an amenable number.

1252657 is a deficient number, since it is larger than the sum of its proper divisors (178959).

1252657 is an equidigital number, since it uses as much as digits as its factorization.

1252657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178958.

The product of its digits is 4200, while the sum is 28.

The square root of 1252657 is about 1119.2216045091. The cubic root of 1252657 is about 107.7980049266.

The spelling of 1252657 in words is "one million, two hundred fifty-two thousand, six hundred fifty-seven".