25025040473 has 8 divisors (see below), whose sum is σ = 25211852040. Its totient is φ = 24838289280.

The previous prime is 25025040461. The next prime is 25025040479. The reversal of 25025040473 is 37404052052.

It can be written as a sum of positive squares in 4 ways, for example, as 8169990544 + 16855049929 = 90388^2 + 129827^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 25025040473 - 2⁴ = 25025040457 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (25025040479) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1148363 + ... + 1169951.

It is an arithmetic number, because the mean of its divisors is an integer number (3151481505).

Almost surely, 2^25025040473 is an apocalyptic number.

It is an amenable number.

25025040473 is a deficient number, since it is larger than the sum of its proper divisors (186811567).

25025040473 is a wasteful number, since it uses less digits than its factorization.

25025040473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30187.

The product of its (nonzero) digits is 33600, while the sum is 32.

The spelling of 25025040473 in words is "twenty-five billion, twenty-five million, forty thousand, four hundred seventy-three".