25000457073 has 8 divisors (see below), whose sum is σ = 34234860288. Its totient is φ = 16216512624.

The previous prime is 25000457047. The next prime is 25000457101. The reversal of 25000457073 is 37075400052.

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

It is not a de Polignac number, because 25000457073 - 2²¹ = 24998359921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25000457033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112614561 + ... + 112614782.

It is an arithmetic number, because the mean of its divisors is an integer number (4279357536).

Almost surely, 2^25000457073 is an apocalyptic number.

It is an amenable number.

25000457073 is a deficient number, since it is larger than the sum of its proper divisors (9234403215).

25000457073 is a wasteful number, since it uses less digits than its factorization.

25000457073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225229383.

The product of its (nonzero) digits is 29400, while the sum is 33.

The spelling of 25000457073 in words is "twenty-five billion, four hundred fifty-seven thousand, seventy-three".