2025774901 has 4 divisors (see below), whose sum is σ = 2080525612. Its totient is φ = 1971024192.

The previous prime is 2025774857. The next prime is 2025774931. The reversal of 2025774901 is 1094775202.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1094775202 = 2 ⋅547387601.

It can be written as a sum of positive squares in 2 ways, for example, as 1786330225 + 239444676 = 42265^2 + 15474^2 .

It is a cyclic number.

It is not a de Polignac number, because 2025774901 - 2²⁹ = 1488903989 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37), and also a Moran number because the ratio is a prime number: 54750673 = 2025774901 / (2 + 0 + 2 + 5 + 7 + 7 + 4 + 9 + 0 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2025774931) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27375300 + ... + 27375373.

It is an arithmetic number, because the mean of its divisors is an integer number (520131403).

Almost surely, 2^2025774901 is an apocalyptic number.

It is an amenable number.

2025774901 is a deficient number, since it is larger than the sum of its proper divisors (54750711).

2025774901 is an equidigital number, since it uses as much as digits as its factorization.

2025774901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54750710.

The product of its (nonzero) digits is 35280, while the sum is 37.

The square root of 2025774901 is about 45008.6091875765. The cubic root of 2025774901 is about 1265.3103543640.

The spelling of 2025774901 in words is "two billion, twenty-five million, seven hundred seventy-four thousand, nine hundred one".