250278401 has 2 divisors, whose sum is σ = 250278402. Its totient is φ = 250278400.

The previous prime is 250278377. The next prime is 250278409. The reversal of 250278401 is 104872052.

250278401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 249640000 + 638401 = 15800^2 + 799^2 .

It is a cyclic number.

It is not a de Polignac number, because 250278401 - 2¹⁴ = 250262017 is a prime.

It is not a weakly prime, because it can be changed into another prime (250278409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125139200 + 125139201.

It is an arithmetic number, because the mean of its divisors is an integer number (125139201).

Almost surely, 2^250278401 is an apocalyptic number.

It is an amenable number.

250278401 is a deficient number, since it is larger than the sum of its proper divisors (1).

250278401 is an equidigital number, since it uses as much as digits as its factorization.

250278401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 250278401 is about 15820.1896638441. The cubic root of 250278401 is about 630.1942803854.

The spelling of 250278401 in words is "two hundred fifty million, two hundred seventy-eight thousand, four hundred one".