2025728137 has 2 divisors, whose sum is σ = 2025728138. Its totient is φ = 2025728136.

The previous prime is 2025728119. The next prime is 2025728147. The reversal of 2025728137 is 7318275202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1907592976 + 118135161 = 43676^2 + 10869^2 .

It is a cyclic number.

It is not a de Polignac number, because 2025728137 - 2⁷ = 2025728009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2025728096 and 2025728105.

It is not a weakly prime, because it can be changed into another prime (2025728147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1012864068 + 1012864069.

It is an arithmetic number, because the mean of its divisors is an integer number (1012864069).

Almost surely, 2^2025728137 is an apocalyptic number.

It is an amenable number.

2025728137 is a deficient number, since it is larger than the sum of its proper divisors (1).

2025728137 is an equidigital number, since it uses as much as digits as its factorization.

2025728137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47040, while the sum is 37.

The square root of 2025728137 is about 45008.0896839668. The cubic root of 2025728137 is about 1265.3006179369.

The spelling of 2025728137 in words is "two billion, twenty-five million, seven hundred twenty-eight thousand, one hundred thirty-seven".