2025078173 has 2 divisors, whose sum is σ = 2025078174. Its totient is φ = 2025078172.

The previous prime is 2025078161. The next prime is 2025078203. The reversal of 2025078173 is 3718705202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1271136409 + 753941764 = 35653^2 + 27458^2 .

It is a cyclic number.

It is not a de Polignac number, because 2025078173 - 2¹⁰ = 2025077149 is a prime.

It is a super-2 number, since 2×2025078173² = 8201883213522035858, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2025078673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1012539086 + 1012539087.

It is an arithmetic number, because the mean of its divisors is an integer number (1012539087).

Almost surely, 2^2025078173 is an apocalyptic number.

It is an amenable number.

2025078173 is a deficient number, since it is larger than the sum of its proper divisors (1).

2025078173 is an equidigital number, since it uses as much as digits as its factorization.

2025078173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23520, while the sum is 35.

The square root of 2025078173 is about 45000.8685805063. The cubic root of 2025078173 is about 1265.1652776596.

The spelling of 2025078173 in words is "two billion, twenty-five million, seventy-eight thousand, one hundred seventy-three".