6535415025 has 36 divisors (see below), whose sum is σ = 11710799568. Its totient is φ = 3484022880.

The previous prime is 6535415023. The next prime is 6535415039. The reversal of 6535415025 is 5205145356.

6535415025 is a `hidden beast` number, since 65 + 3 + 541 + 50 + 2 + 5 = 666.

It is not a de Polignac number, because 6535415025 - 2¹ = 6535415023 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6535415021) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 661774 + ... + 671576.

It is an arithmetic number, because the mean of its divisors is an integer number (325299988).

Almost surely, 2^6535415025 is an apocalyptic number.

It is an amenable number.

6535415025 is a deficient number, since it is larger than the sum of its proper divisors (5175384543).

6535415025 is a wasteful number, since it uses less digits than its factorization.

6535415025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12782 (or 12774 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

The square root of 6535415025 is about 80841.9137885788. The cubic root of 6535415025 is about 1869.6388509196.

The spelling of 6535415025 in words is "six billion, five hundred thirty-five million, four hundred fifteen thousand, twenty-five".