1252682217 has 12 divisors (see below), whose sum is σ = 1904663280. Its totient is φ = 791167608.

The previous prime is 1252682203. The next prime is 1252682251. The reversal of 1252682217 is 7122862521.

It is a happy number.

It is not a de Polignac number, because 1252682217 - 2²⁴ = 1235905001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1252682267) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3662643 + ... + 3662984.

It is an arithmetic number, because the mean of its divisors is an integer number (158721940).

Almost surely, 2^1252682217 is an apocalyptic number.

It is an amenable number.

1252682217 is a deficient number, since it is larger than the sum of its proper divisors (651981063).

1252682217 is a wasteful number, since it uses less digits than its factorization.

1252682217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7325652 (or 7325649 counting only the distinct ones).

The product of its digits is 26880, while the sum is 36.

The square root of 1252682217 is about 35393.2510091967. The cubic root of 1252682217 is about 1077.9872827544.

The spelling of 1252682217 in words is "one billion, two hundred fifty-two million, six hundred eighty-two thousand, two hundred seventeen".