1252545 has 32 divisors (see below), whose sum is σ = 2334720. Its totient is φ = 561600.

The previous prime is 1252523. The next prime is 1252579. The reversal of 1252545 is 5452521.

It is a happy number.

It is not a de Polignac number, because 1252545 - 2¹¹ = 1250497 is a prime.

It is a super-3 number, since 3×1252545³ = 5895236978483335875, which contains 333 as substring.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8220 + ... + 8370.

It is an arithmetic number, because the mean of its divisors is an integer number (72960).

2^1252545 is an apocalyptic number.

1252545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1252545 is a deficient number, since it is larger than the sum of its proper divisors (1082175).

1252545 is a wasteful number, since it uses less digits than its factorization.

1252545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245.

The product of its digits is 2000, while the sum is 24.

The square root of 1252545 is about 1119.1715686167. The cubic root of 1252545 is about 107.7947920927.

Subtracting from 1252545 its sum of digits (24), we obtain a palindrome (1252521).

The spelling of 1252545 in words is "one million, two hundred fifty-two thousand, five hundred forty-five".