5781326225 has 18 divisors (see below), whose sum is σ = 7221393270. Its totient is φ = 4591403520.

The previous prime is 5781326219. The next prime is 5781326273. The reversal of 5781326225 is 5226231875.

It can be written as a sum of positive squares in 3 ways, for example, as 309136 + 5781017089 = 556^2 + 76033^2 .

It is not a de Polignac number, because 5781326225 - 2¹⁴ = 5781309841 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 477041 + ... + 489009.

It is an arithmetic number, because the mean of its divisors is an integer number (401188515).

Almost surely, 2^5781326225 is an apocalyptic number.

It is an amenable number.

5781326225 is a deficient number, since it is larger than the sum of its proper divisors (1440067045).

5781326225 is a wasteful number, since it uses less digits than its factorization.

5781326225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12257 (or 12113 counting only the distinct ones).

The product of its digits is 201600, while the sum is 41.

The square root of 5781326225 is about 76035.0328795878. The cubic root of 5781326225 is about 1794.7714758875.

The spelling of 5781326225 in words is "five billion, seven hundred eighty-one million, three hundred twenty-six thousand, two hundred twenty-five".