5201218461925 has 12 divisors (see below), whose sum is σ = 6555240581476. Its totient is φ = 4092762067200.

The previous prime is 5201218461911. The next prime is 5201218461937. The reversal of 5201218461925 is 5291648121025.

It is a happy number.

It is a Cunningham number, because it is equal to 2280618²+1.

It can be written as a sum of positive squares in 6 ways, for example, as 54427490209 + 5146790971716 = 233297^2 + 2268654^2 .

It is a de Polignac number, because none of the positive numbers 2^k-5201218461925 is a prime.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 1705316004 + ... + 1705319053.

Almost surely, 2^{5201218461925} is an apocalyptic number.

It is an amenable number.

5201218461925 is a deficient number, since it is larger than the sum of its proper divisors (1354022119551).

5201218461925 is a wasteful number, since it uses less digits than its factorization.

5201218461925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3410635128 (or 3410635123 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 46.

The spelling of 5201218461925 in words is "five trillion, two hundred one billion, two hundred eighteen million, four hundred sixty-one thousand, nine hundred twenty-five".