1252572615 has 48 divisors (see below), whose sum is σ = 2484638208. Its totient is φ = 571831488.

The previous prime is 1252572547. The next prime is 1252572637. The reversal of 1252572615 is 5162752521.

1252572615 is a `hidden beast` number, since 1 + 2 + 525 + 72 + 61 + 5 = 666.

It is not a de Polignac number, because 1252572615 - 2⁹ = 1252572103 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1252572615.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 277164 + ... + 281646.

It is an arithmetic number, because the mean of its divisors is an integer number (51763296).

Almost surely, 2^1252572615 is an apocalyptic number.

1252572615 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1252572615 is a deficient number, since it is larger than the sum of its proper divisors (1232065593).

1252572615 is a wasteful number, since it uses less digits than its factorization.

1252572615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5388 (or 5385 counting only the distinct ones).

The product of its digits is 42000, while the sum is 36.

The square root of 1252572615 is about 35391.7026292887. The cubic root of 1252572615 is about 1077.9558427487.

The spelling of 1252572615 in words is "one billion, two hundred fifty-two million, five hundred seventy-two thousand, six hundred fifteen".