10211251 has 2 divisors, whose sum is σ = 10211252. Its totient is φ = 10211250.

The previous prime is 10211249. The next prime is 10211261. The reversal of 10211251 is 15211201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10211251 - 2¹ = 10211249 is a prime.

Together with 10211249, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (10211221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5105625 + 5105626.

It is an arithmetic number, because the mean of its divisors is an integer number (5105626).

Almost surely, 2^10211251 is an apocalyptic number.

10211251 is a deficient number, since it is larger than the sum of its proper divisors (1).

10211251 is an equidigital number, since it uses as much as digits as its factorization.

10211251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20, while the sum is 13.

The square root of 10211251 is about 3195.5048114500. The cubic root of 10211251 is about 216.9499980356.

Adding to 10211251 its reverse (15211201), we get a palindrome (25422452).

The spelling of 10211251 in words is "ten million, two hundred eleven thousand, two hundred fifty-one".