1252551 has 8 divisors (see below), whose sum is σ = 1676160. Its totient is φ = 831992.

The previous prime is 1252523. The next prime is 1252579. The reversal of 1252551 is 1552521.

It is an interprime number because it is at equal distance from previous prime (1252523) and next prime (1252579).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1252551 - 2¹⁰ = 1251527 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252151) 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 7 ways as a sum of consecutive naturals, for example, 496 + ... + 1658.

It is an arithmetic number, because the mean of its divisors is an integer number (209520).

2^1252551 is an apocalyptic number.

1252551 is a deficient number, since it is larger than the sum of its proper divisors (423609).

1252551 is a wasteful number, since it uses less digits than its factorization.

1252551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1525.

The product of its digits is 500, while the sum is 21.

The square root of 1252551 is about 1119.1742491677. The cubic root of 1252551 is about 107.7949642137.

The spelling of 1252551 in words is "one million, two hundred fifty-two thousand, five hundred fifty-one".