1749786612025 has 9 divisors (see below), whose sum is σ = 2169743600271. Its totient is φ = 1399823998440.

The previous prime is 1749786612019. The next prime is 1749786612031. The reversal of 1749786612025 is 5202166879471.

The square root of 1749786612025 is 1322795.

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

It is an interprime number because it is at equal distance from previous prime (1749786612019) and next prime (1749786612031).

It can be written as a sum of positive squares in only one way, i.e., 629923180329 + 1119863431696 = 793677^2 + 1058236^2 .

It is not a de Polignac number, because 1749786612025 - 2²⁷ = 1749652394297 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 6481696 + ... + 6746254.

Almost surely, 2^{1749786612025} is an apocalyptic number.

1749786612025 is the 1322795-th square number.

1749786612025 is the 661398-th centered octagonal number.

It is an amenable number.

1749786612025 is a deficient number, since it is larger than the sum of its proper divisors (419956988246).

1749786612025 is an frugal number, since it uses more digits than its factorization.

1749786612025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529128 (or 264564 counting only the distinct ones).

The product of its (nonzero) digits is 10160640, while the sum is 58.

The spelling of 1749786612025 in words is "one trillion, seven hundred forty-nine billion, seven hundred eighty-six million, six hundred twelve thousand, twenty-five".