250020050129 has 2 divisors, whose sum is σ = 250020050130. Its totient is φ = 250020050128.

The previous prime is 250020050101. The next prime is 250020050177. The reversal of 250020050129 is 921050020052.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 250020000400 + 49729 = 500020^2 + 223^2 .

It is a cyclic number.

It is not a de Polignac number, because 250020050129 - 2¹² = 250020046033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 250020050098 and 250020050107.

It is not a weakly prime, because it can be changed into another prime (250020050029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125010025064 + 125010025065.

It is an arithmetic number, because the mean of its divisors is an integer number (125010025065).

Almost surely, 2^250020050129 is an apocalyptic number.

It is an amenable number.

250020050129 is a deficient number, since it is larger than the sum of its proper divisors (1).

250020050129 is an equidigital number, since it uses as much as digits as its factorization.

250020050129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800, while the sum is 26.

The spelling of 250020050129 in words is "two hundred fifty billion, twenty million, fifty thousand, one hundred twenty-nine".