697316853025 has 81 divisors (see below), whose sum is σ = 971896107819. Its totient is φ = 496062752640.

The previous prime is 697316852963. The next prime is 697316853031. The reversal of 697316853025 is 520358613796.

The square root of 697316853025 is 835055.

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

It can be written as a sum of positive squares in 13 ways, for example, as 645064379281 + 52252473744 = 803159^2 + 228588^2 .

It is not a de Polignac number, because 697316853025 - 2³⁵ = 662957114657 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 1574078454 + ... + 1574078896.

Almost surely, 2^697316853025 is an apocalyptic number.

697316853025 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

697316853025 is the 835055-th square number.

697316853025 is the 417528-th centered octagonal number.

It is an amenable number.

697316853025 is a deficient number, since it is larger than the sum of its proper divisors (274579254794).

697316853025 is an equidigital number, since it uses as much as digits as its factorization.

697316853025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 980 (or 490 counting only the distinct ones).

The product of its (nonzero) digits is 8164800, while the sum is 55.

The spelling of 697316853025 in words is "six hundred ninety-seven billion, three hundred sixteen million, eight hundred fifty-three thousand, twenty-five".