25020073 has 8 divisors (see below), whose sum is σ = 28529928. Its totient is φ = 21736704.

The previous prime is 25020059. The next prime is 25020097. The reversal of 25020073 is 37002052.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 685584 + 24334489 = 828^2 + 4933^2 .

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 25020073 - 2⁵ = 25020041 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25020073.

It is not an unprimeable number, because it can be changed into a prime (25020043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56386 + ... + 56827.

It is an arithmetic number, because the mean of its divisors is an integer number (3566241).

Almost surely, 2^25020073 is an apocalyptic number.

It is an amenable number.

25020073 is a deficient number, since it is larger than the sum of its proper divisors (3509855).

25020073 is a wasteful number, since it uses less digits than its factorization.

25020073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113243.

The product of its (nonzero) digits is 420, while the sum is 19.

The square root of 25020073 is about 5002.0068972363. The cubic root of 25020073 is about 292.4800112963.

The spelling of 25020073 in words is "twenty-five million, twenty thousand, seventy-three".