1252577382 has 32 divisors (see below), whose sum is σ = 2955393024. Its totient is φ = 346334400.

The previous prime is 1252577369. The next prime is 1252577383. The reversal of 1252577382 is 2837752521.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252577383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 479719 + ... + 482322.

It is an arithmetic number, because the mean of its divisors is an integer number (92356032).

Almost surely, 2^1252577382 is an apocalyptic number.

1252577382 is an abundant number, since it is smaller than the sum of its proper divisors (1702815642).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1252577382 is a wasteful number, since it uses less digits than its factorization.

1252577382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 962084.

The product of its digits is 235200, while the sum is 42.

The square root of 1252577382 is about 35391.7699755183. The cubic root of 1252577382 is about 1077.9572102300.

The spelling of 1252577382 in words is "one billion, two hundred fifty-two million, five hundred seventy-seven thousand, three hundred eighty-two".