13522451025 has 24 divisors (see below), whose sum is σ = 22723636864. Its totient is φ = 7093742400.

The previous prime is 13522451021. The next prime is 13522451077. The reversal of 13522451025 is 52015422531.

It is not a de Polignac number, because 13522451025 - 2² = 13522451021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13522450983 and 13522451001.

It is not an unprimeable number, because it can be changed into a prime (13522451021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1473289 + ... + 1482438.

Almost surely, 2^13522451025 is an apocalyptic number.

13522451025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13522451025 is a deficient number, since it is larger than the sum of its proper divisors (9201185839).

13522451025 is a wasteful number, since it uses less digits than its factorization.

13522451025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2955801 (or 2955796 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

Adding to 13522451025 its reverse (52015422531), we get a palindrome (65537873556).

The spelling of 13522451025 in words is "thirteen billion, five hundred twenty-two million, four hundred fifty-one thousand, twenty-five".