5259155465 has 4 divisors (see below), whose sum is σ = 6310986564. Its totient is φ = 4207324368.

The previous prime is 5259155453. The next prime is 5259155491. The reversal of 5259155465 is 5645519525.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3594841849 + 1664313616 = 59957^2 + 40796^2 .

It is a cyclic number.

It is not a de Polignac number, because 5259155465 - 2⁴ = 5259155449 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 525915542 + ... + 525915551.

It is an arithmetic number, because the mean of its divisors is an integer number (1577746641).

Almost surely, 2^5259155465 is an apocalyptic number.

It is an amenable number.

5259155465 is a deficient number, since it is larger than the sum of its proper divisors (1051831099).

5259155465 is a wasteful number, since it uses less digits than its factorization.

5259155465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1051831098.

The product of its digits is 1350000, while the sum is 47.

The square root of 5259155465 is about 72520.0349213926. The cubic root of 5259155465 is about 1739.0230417621.

The spelling of 5259155465 in words is "five billion, two hundred fifty-nine million, one hundred fifty-five thousand, four hundred sixty-five".