5199131025 has 243 divisors, whose sum is σ = 11292934107. Its totient is φ = 2284286400.

The previous prime is 5199130969. The next prime is 5199131059. The reversal of 5199131025 is 5201319915.

The square root of 5199131025 is 72105.

It is a perfect power (a square), and thus also a powerful number.

5199131025 is a `hidden beast` number, since 519 + 9 + 131 + 0 + 2 + 5 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1871687169 + 3327443856 = 43263^2 + 57684^2 .

It is not a de Polignac number, because 5199131025 - 2⁹ = 5199130513 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 242 ways as a sum of consecutive naturals, for example, 226049164 + ... + 226049186.

Almost surely, 2^5199131025 is an apocalyptic number.

5199131025 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

5199131025 is the 72105-th square number.

5199131025 is the 36053-rd centered octagonal number.

It is an amenable number.

5199131025 is an abundant number, since it is smaller than the sum of its proper divisors (6093803082).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5199131025 is a wasteful number, since it uses less digits than its factorization.

5199131025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122 (or 61 counting only the distinct ones).

The product of its (nonzero) digits is 12150, while the sum is 36.

The cubic root of 5199131025 is about 1732.3817001612.

Multiplying 5199131025 by its sum of digits (36), we get a square (187168716900 = 432630²).

The spelling of 5199131025 in words is "five billion, one hundred ninety-nine million, one hundred thirty-one thousand, twenty-five".