250568501 has 2 divisors, whose sum is σ = 250568502. Its totient is φ = 250568500.

The previous prime is 250568473. The next prime is 250568503. The reversal of 250568501 is 105865052.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 250114225 + 454276 = 15815^2 + 674^2 .

It is a cyclic number.

It is not a de Polignac number, because 250568501 - 2²⁶ = 183459637 is a prime.

Together with 250568503, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (250568503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125284250 + 125284251.

It is an arithmetic number, because the mean of its divisors is an integer number (125284251).

Almost surely, 2^250568501 is an apocalyptic number.

It is an amenable number.

250568501 is a deficient number, since it is larger than the sum of its proper divisors (1).

250568501 is an equidigital number, since it uses as much as digits as its factorization.

250568501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12000, while the sum is 32.

The square root of 250568501 is about 15829.3556722944. The cubic root of 250568501 is about 630.4376743680.

The spelling of 250568501 in words is "two hundred fifty million, five hundred sixty-eight thousand, five hundred one".