25225275272 has 36 divisors (see below), whose sum is σ = 47699173935. Its totient is φ = 12506396160.

The previous prime is 25225275269. The next prime is 25225275281. The reversal of 25225275272 is 27257252252.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 5 ways, for example, as 11260180996 + 13965094276 = 106114^2 + 118174^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=112306.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 104669072 + ... + 104669312.

Almost surely, 2^25225275272 is an apocalyptic number.

It is an amenable number.

25225275272 is a deficient number, since it is larger than the sum of its proper divisors (22473898663).

25225275272 is an frugal number, since it uses more digits than its factorization.

25225275272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 954 (or 476 counting only the distinct ones).

The product of its digits is 392000, while the sum is 41.

The spelling of 25225275272 in words is "twenty-five billion, two hundred twenty-five million, two hundred seventy-five thousand, two hundred seventy-two".