250500025001 has 2 divisors, whose sum is σ = 250500025002. Its totient is φ = 250500025000.

The previous prime is 250500024991. The next prime is 250500025019. The reversal of 250500025001 is 100520005052.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 250380144400 + 119880601 = 500380^2 + 10949^2 .

It is a cyclic number.

It is not a de Polignac number, because 250500025001 - 2¹⁴ = 250500008617 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (250500025301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125250012500 + 125250012501.

It is an arithmetic number, because the mean of its divisors is an integer number (125250012501).

Almost surely, 2^250500025001 is an apocalyptic number.

It is an amenable number.

250500025001 is a deficient number, since it is larger than the sum of its proper divisors (1).

250500025001 is an equidigital number, since it uses as much as digits as its factorization.

250500025001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 500, while the sum is 20.

The spelling of 250500025001 in words is "two hundred fifty billion, five hundred million, twenty-five thousand, one".