783286951225 has 9 divisors (see below), whose sum is σ = 971281306767. Its totient is φ = 626626020840.

The previous prime is 783286951219. The next prime is 783286951231. The reversal of 783286951225 is 522159682387.

The square root of 783286951225 is 885035.

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 (783286951219) and next prime (783286951231).

It can be written as a sum of positive squares in only one way, i.e., 281983302441 + 501303648784 = 531021^2 + 708028^2 .

It is not a de Polignac number, because 783286951225 - 2⁹ = 783286950713 is a prime.

It is a super-2 number, since 2×783286951225² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 783286951225.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 4336672 + ... + 4513678.

Almost surely, 2^783286951225 is an apocalyptic number.

783286951225 is the 885035-th square number.

783286951225 is the 442518-th centered octagonal number.

It is an amenable number.

783286951225 is a deficient number, since it is larger than the sum of its proper divisors (187994355542).

783286951225 is an frugal number, since it uses more digits than its factorization.

783286951225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354024 (or 177012 counting only the distinct ones).

The product of its digits is 14515200, while the sum is 58.

The spelling of 783286951225 in words is "seven hundred eighty-three billion, two hundred eighty-six million, nine hundred fifty-one thousand, two hundred twenty-five".