250532647 has 2 divisors, whose sum is σ = 250532648. Its totient is φ = 250532646.

The previous prime is 250532617. The next prime is 250532657. The reversal of 250532647 is 746235052.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-250532647 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (250532617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125266323 + 125266324.

It is an arithmetic number, because the mean of its divisors is an integer number (125266324).

Almost surely, 2^250532647 is an apocalyptic number.

250532647 is a deficient number, since it is larger than the sum of its proper divisors (1).

250532647 is an equidigital number, since it uses as much as digits as its factorization.

250532647 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 50400, while the sum is 34.

The square root of 250532647 is about 15828.2231156880. The cubic root of 250532647 is about 630.4076030295.

Adding to 250532647 its reverse (746235052), we get a palindrome (996767699).

The spelling of 250532647 in words is "two hundred fifty million, five hundred thirty-two thousand, six hundred forty-seven".