5255513001 has 12 divisors (see below), whose sum is σ = 7593892020. Its totient is φ = 3502477440.

The previous prime is 5255512979. The next prime is 5255513009. The reversal of 5255513001 is 1003155525.

5255513001 is a `hidden beast` number, since 525 + 5 + 5 + 130 + 0 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 208831401 + 5046681600 = 14451^2 + 71040^2 .

It is not a de Polignac number, because 5255513001 - 2⁶ = 5255512937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5255513009) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 71620 + ... + 125061.

It is an arithmetic number, because the mean of its divisors is an integer number (632824335).

Almost surely, 2^5255513001 is an apocalyptic number.

It is an amenable number.

5255513001 is a deficient number, since it is larger than the sum of its proper divisors (2338379019).

5255513001 is a wasteful number, since it uses less digits than its factorization.

5255513001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199656 (or 199653 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 27.

The square root of 5255513001 is about 72494.9170700953. The cubic root of 5255513001 is about 1738.6214695703.

Adding to 5255513001 its reverse (1003155525), we get a palindrome (6258668526).

It can be divided in two parts, 52555 and 13001, that added together give a palindrome (65556).

The spelling of 5255513001 in words is "five billion, two hundred fifty-five million, five hundred thirteen thousand, one".