5215198025 has 12 divisors (see below), whose sum is σ = 6617238672. Its totient is φ = 4075130640.

The previous prime is 5215198007. The next prime is 5215198081. The reversal of 5215198025 is 5208915125.

It is a happy number.

It is not a de Polignac number, because 5215198025 - 2²⁶ = 5148089161 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5215198025.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2424599 + ... + 2426748.

It is an arithmetic number, because the mean of its divisors is an integer number (551436556).

Almost surely, 2^5215198025 is an apocalyptic number.

It is an amenable number.

5215198025 is a deficient number, since it is larger than the sum of its proper divisors (1402040647).

5215198025 is a wasteful number, since it uses less digits than its factorization.

5215198025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4851400 (or 4851395 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 38.

The square root of 5215198025 is about 72216.3279667417. The cubic root of 5215198025 is about 1734.1644053580.

The spelling of 5215198025 in words is "five billion, two hundred fifteen million, one hundred ninety-eight thousand, twenty-five".