25485048225 has 360 divisors, whose sum is σ = 61781670720. Its totient is φ = 10274584320.

The previous prime is 25485048163. The next prime is 25485048227. The reversal of 25485048225 is 52284058452.

25485048225 is a `hidden beast` number, since 2 + 5 + 48 + 504 + 82 + 25 = 666.

It is not a de Polignac number, because 25485048225 - 2¹⁸ = 25484786081 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (25485048227) by changing a digit.

It is a polite number, since it can be written in 359 ways as a sum of consecutive naturals, for example, 29667846 + ... + 29668704.

It is an arithmetic number, because the mean of its divisors is an integer number (171615752).

Almost surely, 2^25485048225 is an apocalyptic number.

25485048225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25485048225 is an abundant number, since it is smaller than the sum of its proper divisors (36296622495).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25485048225 is a wasteful number, since it uses less digits than its factorization.

25485048225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 931 (or 910 counting only the distinct ones).

The product of its (nonzero) digits is 1024000, while the sum is 45.

The spelling of 25485048225 in words is "twenty-five billion, four hundred eighty-five million, forty-eight thousand, two hundred twenty-five".