2665207025 has 48 divisors (see below), whose sum is σ = 3644766720. Its totient is φ = 1921171200.

The previous prime is 2665207019. The next prime is 2665207049. The reversal of 2665207025 is 5207025662.

It is not a de Polignac number, because 2665207025 - 2²⁰ = 2664158449 is a prime.

It is a super-2 number, since 2×2665207025² = 14206656972218701250, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6183560 + ... + 6183990.

It is an arithmetic number, because the mean of its divisors is an integer number (75932640).

Almost surely, 2^2665207025 is an apocalyptic number.

2665207025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2665207025 is a deficient number, since it is larger than the sum of its proper divisors (979559695).

2665207025 is a wasteful number, since it uses less digits than its factorization.

2665207025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 866 (or 861 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 35.

The square root of 2665207025 is about 51625.6430952681. The cubic root of 2665207025 is about 1386.4694877718.

The spelling of 2665207025 in words is "two billion, six hundred sixty-five million, two hundred seven thousand, twenty-five".