1525412403 has 12 divisors (see below), whose sum is σ = 2215685160. Its totient is φ = 1011259296.

The previous prime is 1525412353. The next prime is 1525412407. The reversal of 1525412403 is 3042145251.

1525412403 is a `hidden beast` number, since 1 + 5 + 254 + 1 + 2 + 403 = 666.

It is not a de Polignac number, because 1525412403 - 2⁹ = 1525411891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1525412407) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 471826 + ... + 475047.

It is an arithmetic number, because the mean of its divisors is an integer number (184640430).

Almost surely, 2^1525412403 is an apocalyptic number.

1525412403 is a deficient number, since it is larger than the sum of its proper divisors (690272757).

1525412403 is a wasteful number, since it uses less digits than its factorization.

1525412403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 947058 (or 947055 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 1525412403 is about 39056.5283019369. The cubic root of 1525412403 is about 1151.1425074086.

Adding to 1525412403 its reverse (3042145251), we get a palindrome (4567557654).

The spelling of 1525412403 in words is "one billion, five hundred twenty-five million, four hundred twelve thousand, four hundred three".