1754869831225 has 45 divisors (see below), whose sum is σ = 2539030220367. Its totient is φ = 1203116760720.

The previous prime is 1754869831219. The next prime is 1754869831279. The reversal of 1754869831225 is 5221389684571.

It is a happy number.

The square root of 1754869831225 is 1324715.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 631753139241 + 1123116691984 = 794829^2 + 1059772^2 .

It is not a de Polignac number, because 1754869831225 - 2³³ = 1746279896633 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 44 ways as a sum of consecutive naturals, for example, 324552472 + ... + 324557878.

Almost surely, 2^{1754869831225} is an apocalyptic number.

1754869831225 is the 1324715-th square number.

1754869831225 is the 662358-th centered octagonal number.

It is an amenable number.

1754869831225 is a deficient number, since it is larger than the sum of its proper divisors (784160389142).

1754869831225 is an frugal number, since it uses more digits than its factorization.

1754869831225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10852 (or 5419 counting only the distinct ones).

The product of its digits is 29030400, while the sum is 61.

The spelling of 1754869831225 in words is "one trillion, seven hundred fifty-four billion, eight hundred sixty-nine million, eight hundred thirty-one thousand, two hundred twenty-five".