772256525 has 12 divisors (see below), whose sum is σ = 980955444. Its totient is φ = 602736000.

The previous prime is 772256519. The next prime is 772256543. The reversal of 772256525 is 525652277.

772256525 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 19193161 + 753063364 = 4381^2 + 27442^2 .

It is not a de Polignac number, because 772256525 - 2⁴ = 772256509 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 375686 + ... + 377735.

It is an arithmetic number, because the mean of its divisors is an integer number (81746287).

Almost surely, 2^772256525 is an apocalyptic number.

It is an amenable number.

772256525 is a deficient number, since it is larger than the sum of its proper divisors (208698919).

772256525 is a wasteful number, since it uses less digits than its factorization.

772256525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 753472 (or 753467 counting only the distinct ones).

The product of its digits is 294000, while the sum is 41.

The square root of 772256525 is about 27789.5038638692. The cubic root of 772256525 is about 917.4601199791.

The spelling of 772256525 in words is "seven hundred seventy-two million, two hundred fifty-six thousand, five hundred twenty-five".