1525663072 has 12 divisors (see below), whose sum is σ = 3003649236. Its totient is φ = 762831520.

The previous prime is 1525663049. The next prime is 1525663103. The reversal of 1525663072 is 2703665251.

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 as a sum of consecutive naturals, namely, 23838454 + ... + 23838517.

It is an arithmetic number, because the mean of its divisors is an integer number (250304103).

Almost surely, 2^1525663072 is an apocalyptic number.

It is an amenable number.

1525663072 is a deficient number, since it is larger than the sum of its proper divisors (1477986164).

1525663072 is an equidigital number, since it uses as much as digits as its factorization.

1525663072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47676981 (or 47676973 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 37.

The square root of 1525663072 is about 39059.7372238985. The cubic root of 1525663072 is about 1151.2055591962.

The spelling of 1525663072 in words is "one billion, five hundred twenty-five million, six hundred sixty-three thousand, seventy-two".