5154991025 has 12 divisors (see below), whose sum is σ = 6419630412. Its totient is φ = 4106288640.

The previous prime is 5154990979. The next prime is 5154991033. The reversal of 5154991025 is 5201994515.

It can be written as a sum of positive squares in 6 ways, for example, as 1750501921 + 3404489104 = 41839^2 + 58348^2 .

It is not a de Polignac number, because 5154991025 - 2²⁰ = 5153942449 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 436664 + ... + 448313.

It is an arithmetic number, because the mean of its divisors is an integer number (534969201).

Almost surely, 2^5154991025 is an apocalyptic number.

It is an amenable number.

5154991025 is a deficient number, since it is larger than the sum of its proper divisors (1264639387).

5154991025 is a wasteful number, since it uses less digits than its factorization.

5154991025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 885220 (or 885215 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 41.

The square root of 5154991025 is about 71798.2661698735. The cubic root of 5154991025 is about 1727.4651891874.

The spelling of 5154991025 in words is "five billion, one hundred fifty-four million, nine hundred ninety-one thousand, twenty-five".