10202251 has 2 divisors, whose sum is σ = 10202252. Its totient is φ = 10202250.

The previous prime is 10202237. The next prime is 10202263. The reversal of 10202251 is 15220201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10202251 - 2⁵ = 10202219 is a prime.

It is not a weakly prime, because it can be changed into another prime (10202281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5101125 + 5101126.

It is an arithmetic number, because the mean of its divisors is an integer number (5101126).

Almost surely, 2^10202251 is an apocalyptic number.

10202251 is a deficient number, since it is larger than the sum of its proper divisors (1).

10202251 is an equidigital number, since it uses as much as digits as its factorization.

10202251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 10202251 is about 3194.0962728133. The cubic root of 10202251 is about 216.8862407836.

Adding to 10202251 its reverse (15220201), we get a palindrome (25422452).

The spelling of 10202251 in words is "ten million, two hundred two thousand, two hundred fifty-one".