25441530031225 has 48 divisors (see below), whose sum is σ = 39384883491840. Its totient is φ = 15838308763200.

The previous prime is 25441530031213. The next prime is 25441530031279. The reversal of 25441530031225 is 52213003514452.

It is a happy number.

It is not a de Polignac number, because 25441530031225 - 2⁷ = 25441530031097 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7463655 + ... + 10324204.

It is an arithmetic number, because the mean of its divisors is an integer number (820518406080).

Almost surely, 2^{25441530031225} is an apocalyptic number.

25441530031225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25441530031225 is a deficient number, since it is larger than the sum of its proper divisors (13943353460615).

25441530031225 is a wasteful number, since it uses less digits than its factorization.

25441530031225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17788630 (or 17788625 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 37.

Adding to 25441530031225 its reverse (52213003514452), we get a palindrome (77654533545677).

The spelling of 25441530031225 in words is "twenty-five trillion, four hundred forty-one billion, five hundred thirty million, thirty-one thousand, two hundred twenty-five".