8260257025 has 12 divisors (see below), whose sum is σ = 10249491312. Its totient is φ = 6603836240.

The previous prime is 8260256969. The next prime is 8260257037. The reversal of 8260257025 is 5207520628.

It is not a de Polignac number, because 8260257025 - 2¹⁹ = 8259732737 is a prime.

It is a super-2 number, since 2×8260257025² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 70399 + ... + 146548.

It is an arithmetic number, because the mean of its divisors is an integer number (854124276).

Almost surely, 2^8260257025 is an apocalyptic number.

It is an amenable number.

8260257025 is a deficient number, since it is larger than the sum of its proper divisors (1989234287).

8260257025 is a wasteful number, since it uses less digits than its factorization.

8260257025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218480 (or 218475 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 37.

The square root of 8260257025 is about 90885.9561483511. The cubic root of 8260257025 is about 2021.4570594706.

The spelling of 8260257025 in words is "eight billion, two hundred sixty million, two hundred fifty-seven thousand, twenty-five".