786522025 has 27 divisors (see below), whose sum is σ = 1001897463. Its totient is φ = 612502800.

The previous prime is 786522013. The next prime is 786522031. The reversal of 786522025 is 520225687.

The square root of 786522025 is 28045.

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., 283147929 + 503374096 = 16827^2 + 22436^2 .

It is not a de Polignac number, because 786522025 - 2²³ = 778133417 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 9955936 + ... + 9956014.

Almost surely, 2^786522025 is an apocalyptic number.

786522025 is the 28045-th square number.

786522025 is the 14023-rd centered octagonal number.

It is an amenable number.

786522025 is a deficient number, since it is larger than the sum of its proper divisors (215375438).

786522025 is an frugal number, since it uses more digits than its factorization.

786522025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310 (or 155 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 37.

The cubic root of 786522025 is about 923.0749446049.

It can be divided in two parts, 7865 and 22025, that added together give a triangular number (29890 = T₂₄₄).

The spelling of 786522025 in words is "seven hundred eighty-six million, five hundred twenty-two thousand, twenty-five".