1525215068 has 48 divisors (see below), whose sum is σ = 2928668064. Its totient is φ = 690750720.

The previous prime is 1525215049. The next prime is 1525215071. The reversal of 1525215068 is 8605125251.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1103738 + ... + 1105118.

It is an arithmetic number, because the mean of its divisors is an integer number (61013918).

Almost surely, 2^1525215068 is an apocalyptic number.

It is an amenable number.

1525215068 is a deficient number, since it is larger than the sum of its proper divisors (1403452996).

1525215068 is a wasteful number, since it uses less digits than its factorization.

1525215068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1782 (or 1780 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 35.

The square root of 1525215068 is about 39054.0019460234. The cubic root of 1525215068 is about 1151.0928660783.

The spelling of 1525215068 in words is "one billion, five hundred twenty-five million, two hundred fifteen thousand, sixty-eight".