2900771017225 has 9 divisors (see below), whose sum is σ = 3596966621013. Its totient is φ = 2320610001120.

The previous prime is 2900771017223. The next prime is 2900771017237. The reversal of 2900771017225 is 5227101770092.

The square root of 2900771017225 is 1703165.

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

It can be written as a sum of positive squares in 4 ways, for example, as 1263998772729 + 1636772244496 = 1124277^2 + 1279364^2 .

It is not a de Polignac number, because 2900771017225 - 2¹ = 2900771017223 is a prime.

It is a super-2 number, since 2×2900771017225² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2900771017223) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 8345509 + ... + 8686141.

Almost surely, 2^{2900771017225} is an apocalyptic number.

2900771017225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2900771017225 is the 1703165-th square number.

2900771017225 is the 851583-rd centered octagonal number.

It is an amenable number.

2900771017225 is a deficient number, since it is larger than the sum of its proper divisors (696195603788).

2900771017225 is an frugal number, since it uses more digits than its factorization.

2900771017225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681276 (or 340638 counting only the distinct ones).

The product of its (nonzero) digits is 123480, while the sum is 43.

The spelling of 2900771017225 in words is "two trillion, nine hundred billion, seven hundred seventy-one million, seventeen thousand, two hundred twenty-five".