1252525265 has 8 divisors (see below), whose sum is σ = 1503223488. Its totient is φ = 1001891440.

The previous prime is 1252525259. The next prime is 1252525273. The reversal of 1252525265 is 5625252521.

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

It is not a de Polignac number, because 1252525265 - 2⁸ = 1252525009 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 56300 + ... + 75330.

It is an arithmetic number, because the mean of its divisors is an integer number (187902936).

Almost surely, 2^1252525265 is an apocalyptic number.

It is an amenable number.

1252525265 is a deficient number, since it is larger than the sum of its proper divisors (250698223).

1252525265 is a wasteful number, since it uses less digits than its factorization.

1252525265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32199.

The product of its digits is 60000, while the sum is 35.

The square root of 1252525265 is about 35391.0336808633. The cubic root of 1252525265 is about 1077.9422595435.

Adding to 1252525265 its reverse (5625252521), we get a palindrome (6877777786).

The spelling of 1252525265 in words is "one billion, two hundred fifty-two million, five hundred twenty-five thousand, two hundred sixty-five".