2825920897 has 6 divisors (see below), whose sum is σ = 3001930118. Its totient is φ = 2659689984.

The previous prime is 2825920879. The next prime is 2825920907. The reversal of 2825920897 is 7980295282.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 2191082481 + 634838416 = 46809^2 + 25196^2 .

It is a de Polignac number, because none of the positive numbers 2^k-2825920897 is a prime.

It is a super-2 number, since 2×2825920897² = 15971657832202569218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2825920807) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4888848 + ... + 4889425.

Almost surely, 2^2825920897 is an apocalyptic number.

It is an amenable number.

2825920897 is a deficient number, since it is larger than the sum of its proper divisors (176009221).

2825920897 is an equidigital number, since it uses as much as digits as its factorization.

2825920897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9778307 (or 9778290 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 52.

The square root of 2825920897 is about 53159.3914280440. The cubic root of 2825920897 is about 1413.7957343140.

The spelling of 2825920897 in words is "two billion, eight hundred twenty-five million, nine hundred twenty thousand, eight hundred ninety-seven".