1526331225 has 48 divisors (see below), whose sum is σ = 2592101952. Its totient is φ = 792072960.

The previous prime is 1526331187. The next prime is 1526331227. The reversal of 1526331225 is 5221336251.

It is not a de Polignac number, because 1526331225 - 2⁹ = 1526330713 is a prime.

It is a zygodrome in base 5.

It is a junction number, because it is equal to n+sod(n) for n = 1526331192 and 1526331201.

It is not an unprimeable number, because it can be changed into a prime (1526331227) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1021579 + ... + 1023071.

It is an arithmetic number, because the mean of its divisors is an integer number (54002124).

Almost surely, 2^1526331225 is an apocalyptic number.

1526331225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1526331225 is a deficient number, since it is larger than the sum of its proper divisors (1065770727).

1526331225 is a wasteful number, since it uses less digits than its factorization.

1526331225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1866 (or 1861 counting only the distinct ones).

The product of its digits is 10800, while the sum is 30.

The square root of 1526331225 is about 39068.2892510025. The cubic root of 1526331225 is about 1151.3735886919.

Adding to 1526331225 its reverse (5221336251), we get a palindrome (6747667476).

The spelling of 1526331225 in words is "one billion, five hundred twenty-six million, three hundred thirty-one thousand, two hundred twenty-five".