6514525447 has 2 divisors, whose sum is σ = 6514525448. Its totient is φ = 6514525446.

The previous prime is 6514525417. The next prime is 6514525469. The reversal of 6514525447 is 7445254156.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6514525447 - 2²³ = 6506136839 is a prime.

It is a super-2 number, since 2×6514525447² = 84878083599221099618, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6514525417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3257262723 + 3257262724.

It is an arithmetic number, because the mean of its divisors is an integer number (3257262724).

Almost surely, 2^6514525447 is an apocalyptic number.

6514525447 is a deficient number, since it is larger than the sum of its proper divisors (1).

6514525447 is an equidigital number, since it uses as much as digits as its factorization.

6514525447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 672000, while the sum is 43.

The square root of 6514525447 is about 80712.6102105489. The cubic root of 6514525447 is about 1867.6447080892.

The spelling of 6514525447 in words is "six billion, five hundred fourteen million, five hundred twenty-five thousand, four hundred forty-seven".