2838971525 has 24 divisors (see below), whose sum is σ = 4014133704. Its totient is φ = 1973145600.

The previous prime is 2838971519. The next prime is 2838971539. The reversal of 2838971525 is 5251798382.

It is a happy number.

It is a Cunningham number, because it is equal to 53282²+1.

It can be written as a sum of positive squares in 12 ways, for example, as 388523521 + 2450448004 = 19711^2 + 49502^2 .

It is not a de Polignac number, because 2838971525 - 2⁶ = 2838971461 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 251396 + ... + 262445.

It is an arithmetic number, because the mean of its divisors is an integer number (167255571).

Almost surely, 2^2838971525 is an apocalyptic number.

2838971525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2838971525 is a deficient number, since it is larger than the sum of its proper divisors (1175162179).

2838971525 is a wasteful number, since it uses less digits than its factorization.

2838971525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513881 (or 513876 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 50.

The square root of 2838971525 is about 53282.0000093840. Note that the first 5 decimals coincide. The cubic root of 2838971525 is about 1415.9687830598.

The spelling of 2838971525 in words is "two billion, eight hundred thirty-eight million, nine hundred seventy-one thousand, five hundred twenty-five".