25125021320033 has 2 divisors, whose sum is σ = 25125021320034. Its totient is φ = 25125021320032.

The previous prime is 25125021320017. The next prime is 25125021320039. The reversal of 25125021320033 is 33002312052152.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24394787835664 + 730233484369 = 4939108^2 + 854537^2 .

It is a cyclic number.

It is not a de Polignac number, because 25125021320033 - 2⁴ = 25125021320017 is a prime.

It is a super-2 number, since 2×25125021320033² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25125021319978 and 25125021320005.

It is not a weakly prime, because it can be changed into another prime (25125021320039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12562510660016 + 12562510660017.

It is an arithmetic number, because the mean of its divisors is an integer number (12562510660017).

Almost surely, 2^{25125021320033} is an apocalyptic number.

It is an amenable number.

25125021320033 is a deficient number, since it is larger than the sum of its proper divisors (1).

25125021320033 is an equidigital number, since it uses as much as digits as its factorization.

25125021320033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10800, while the sum is 29.

Adding to 25125021320033 its reverse (33002312052152), we get a palindrome (58127333372185).

The spelling of 25125021320033 in words is "twenty-five trillion, one hundred twenty-five billion, twenty-one million, three hundred twenty thousand, thirty-three".