1525322113 has 8 divisors (see below), whose sum is σ = 1744233728. Its totient is φ = 1306662624.

The previous prime is 1525322111. The next prime is 1525322131. The reversal of 1525322113 is 3112235251.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1525322113 - 2¹ = 1525322111 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1525322111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49881 + ... + 74422.

It is an arithmetic number, because the mean of its divisors is an integer number (218029216).

Almost surely, 2^1525322113 is an apocalyptic number.

It is an amenable number.

1525322113 is a deficient number, since it is larger than the sum of its proper divisors (218911615).

1525322113 is a wasteful number, since it uses less digits than its factorization.

1525322113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126063.

The product of its digits is 1800, while the sum is 25.

The square root of 1525322113 is about 39055.3723961250. The cubic root of 1525322113 is about 1151.1197947075.

Adding to 1525322113 its reverse (3112235251), we get a palindrome (4637557364).

The spelling of 1525322113 in words is "one billion, five hundred twenty-five million, three hundred twenty-two thousand, one hundred thirteen".