2667206025 has 81 divisors (see below), whose sum is σ = 5267870517. Its totient is φ = 1289059200.

The previous prime is 2667205987. The next prime is 2667206027. The reversal of 2667206025 is 5206027662.

The square root of 2667206025 is 51645.

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

2667206025 is a `hidden beast` number, since 26 + 6 + 7 + 20 + 602 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1498386681 + 1168819344 = 38709^2 + 34188^2 .

It is not a de Polignac number, because 2667206025 - 2¹⁹ = 2666681737 is a prime.

It is a super-2 number, since 2×2667206025² = 14227975959592601250, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2667206027) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 8521269 + ... + 8521581.

Almost surely, 2^2667206025 is an apocalyptic number.

2667206025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2667206025 is the 51645-th square number.

2667206025 is the 25823-rd centered octagonal number.

It is an amenable number.

2667206025 is a deficient number, since it is larger than the sum of its proper divisors (2600664492).

2667206025 is a wasteful number, since it uses less digits than its factorization.

2667206025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 664 (or 332 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The cubic root of 2667206025 is about 1386.8160349441.

Multiplying 2667206025 by its sum of digits (36), we get a square (96019416900 = 309870²).

The spelling of 2667206025 in words is "two billion, six hundred sixty-seven million, two hundred six thousand, twenty-five".