2025356261 has 4 divisors (see below), whose sum is σ = 2025731532. Its totient is φ = 2024980992.

The previous prime is 2025356233. The next prime is 2025356269. The reversal of 2025356261 is 1626535202.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1806760036 + 218596225 = 42506^2 + 14785^2 .

It is a cyclic number.

It is not a de Polignac number, because 2025356261 - 2⁶ = 2025356197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2025356269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179420 + ... + 190373.

It is an arithmetic number, because the mean of its divisors is an integer number (506432883).

Almost surely, 2^2025356261 is an apocalyptic number.

It is an amenable number.

2025356261 is a deficient number, since it is larger than the sum of its proper divisors (375271).

2025356261 is an equidigital number, since it uses as much as digits as its factorization.

2025356261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375270.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 2025356261 is about 45003.9582814668. The cubic root of 2025356261 is about 1265.2231867292.

The spelling of 2025356261 in words is "two billion, twenty-five million, three hundred fifty-six thousand, two hundred sixty-one".