25022530324513 has 8 divisors (see below), whose sum is σ = 25149763165032. Its totient is φ = 24895299655296.

The previous prime is 25022530324507. The next prime is 25022530324529. The reversal of 25022530324513 is 31542303522052.

It can be written as a sum of positive squares in 4 ways, for example, as 14630494950289 + 10392035374224 = 3824983^2 + 3223668^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25022530324513 is a prime.

It is a super-2 number, since 2×25022530324513² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25022530321513) 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, 25807131 + ... + 26759167.

It is an arithmetic number, because the mean of its divisors is an integer number (3143720395629).

Almost surely, 2^{25022530324513} is an apocalyptic number.

It is an amenable number.

25022530324513 is a deficient number, since it is larger than the sum of its proper divisors (127232840519).

25022530324513 is a wasteful number, since it uses less digits than its factorization.

25022530324513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1085651.

The product of its (nonzero) digits is 216000, while the sum is 37.

Adding to 25022530324513 its reverse (31542303522052), we get a palindrome (56564833846565).

The spelling of 25022530324513 in words is "twenty-five trillion, twenty-two billion, five hundred thirty million, three hundred twenty-four thousand, five hundred thirteen".