275250251 has 2 divisors, whose sum is σ = 275250252. Its totient is φ = 275250250.

The previous prime is 275250167. The next prime is 275250293. The reversal of 275250251 is 152052572.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-275250251 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (275250851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137625125 + 137625126.

It is an arithmetic number, because the mean of its divisors is an integer number (137625126).

Almost surely, 2^275250251 is an apocalyptic number.

275250251 is a deficient number, since it is larger than the sum of its proper divisors (1).

275250251 is an equidigital number, since it uses as much as digits as its factorization.

275250251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7000, while the sum is 29.

The square root of 275250251 is about 16590.6675875325. The cubic root of 275250251 is about 650.4929207787.

The spelling of 275250251 in words is "two hundred seventy-five million, two hundred fifty thousand, two hundred fifty-one".