6415525461 has 8 divisors (see below), whose sum is σ = 8616472704. Its totient is φ = 4245797600.

The previous prime is 6415525451. The next prime is 6415525507. The reversal of 6415525461 is 1645255146.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6415525461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6415525411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7804365 + ... + 7805186.

It is an arithmetic number, because the mean of its divisors is an integer number (1077059088).

Almost surely, 2^6415525461 is an apocalyptic number.

It is an amenable number.

6415525461 is a deficient number, since it is larger than the sum of its proper divisors (2200947243).

6415525461 is a wasteful number, since it uses less digits than its factorization.

6415525461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15609691.

The product of its digits is 144000, while the sum is 39.

The square root of 6415525461 is about 80096.9753548784. The cubic root of 6415525461 is about 1858.1356295608.

The spelling of 6415525461 in words is "six billion, four hundred fifteen million, five hundred twenty-five thousand, four hundred sixty-one".