25125073 has 2 divisors, whose sum is σ = 25125074. Its totient is φ = 25125072.

The previous prime is 25125071. The next prime is 25125077. The reversal of 25125073 is 37052152.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18939904 + 6185169 = 4352^2 + 2487^2 .

It is a cyclic number.

It is not a de Polignac number, because 25125073 - 2¹ = 25125071 is a prime.

Together with 25125071, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (25125071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12562536 + 12562537.

It is an arithmetic number, because the mean of its divisors is an integer number (12562537).

Almost surely, 2^25125073 is an apocalyptic number.

It is an amenable number.

25125073 is a deficient number, since it is larger than the sum of its proper divisors (1).

25125073 is an equidigital number, since it uses as much as digits as its factorization.

25125073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 25125073 is about 5012.4916957537. The cubic root of 25125073 is about 292.8885837919. Note that the first 3 decimals are identical.

The spelling of 25125073 in words is "twenty-five million, one hundred twenty-five thousand, seventy-three".