250328278061 has 2 divisors, whose sum is σ = 250328278062. Its totient is φ = 250328278060.

The previous prime is 250328278027. The next prime is 250328278091. The reversal of 250328278061 is 160872823052.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 250275075625 + 53202436 = 500275^2 + 7294^2 .

It is a cyclic number.

It is not a de Polignac number, because 250328278061 - 2³⁴ = 233148408877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (250328278001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125164139030 + 125164139031.

It is an arithmetic number, because the mean of its divisors is an integer number (125164139031).

Almost surely, 2^250328278061 is an apocalyptic number.

It is an amenable number.

250328278061 is a deficient number, since it is larger than the sum of its proper divisors (1).

250328278061 is an equidigital number, since it uses as much as digits as its factorization.

250328278061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 322560, while the sum is 44.

The spelling of 250328278061 in words is "two hundred fifty billion, three hundred twenty-eight million, two hundred seventy-eight thousand, sixty-one".