6525408747 has 16 divisors (see below), whose sum is σ = 10221619968. Its totient is φ = 3650578080.

The previous prime is 6525408733. The next prime is 6525408761. The reversal of 6525408747 is 7478045256.

It is an interprime number because it is at equal distance from previous prime (6525408733) and next prime (6525408761).

It is not a de Polignac number, because 6525408747 - 2⁴ = 6525408731 is a prime.

It is a super-2 number, since 2×6525408747² = 85161918630848220018, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6525408696 and 6525408705.

It is not an unprimeable number, because it can be changed into a prime (6525408797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7604943 + ... + 7605800.

It is an arithmetic number, because the mean of its divisors is an integer number (638851248).

Almost surely, 2^6525408747 is an apocalyptic number.

6525408747 is a deficient number, since it is larger than the sum of its proper divisors (3696211221).

6525408747 is a wasteful number, since it uses less digits than its factorization.

6525408747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15210770.

The product of its (nonzero) digits is 1881600, while the sum is 48.

The square root of 6525408747 is about 80780.0021478088. The cubic root of 6525408747 is about 1868.6841713228.

The spelling of 6525408747 in words is "six billion, five hundred twenty-five million, four hundred eight thousand, seven hundred forty-seven".