1525170068 has 12 divisors (see below), whose sum is σ = 2712802932. Its totient is φ = 750083520.

The previous prime is 1525170067. The next prime is 1525170083. The reversal of 1525170068 is 8600715251.

It can be written as a sum of positive squares in 2 ways, for example, as 98446084 + 1426723984 = 9922^2 + 37772^2 .

It is a super-2 number, since 2×1525170068² = 4652287472646249248, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1525170061) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3125105 + ... + 3125592.

It is an arithmetic number, because the mean of its divisors is an integer number (226066911).

Almost surely, 2^1525170068 is an apocalyptic number.

It is an amenable number.

1525170068 is a deficient number, since it is larger than the sum of its proper divisors (1187632864).

1525170068 is a wasteful number, since it uses less digits than its factorization.

1525170068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6250762 (or 6250760 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 35.

The square root of 1525170068 is about 39053.4258164377. The cubic root of 1525170068 is about 1151.0815453386.

The spelling of 1525170068 in words is "one billion, five hundred twenty-five million, one hundred seventy thousand, sixty-eight".