10181251 has 2 divisors, whose sum is σ = 10181252. Its totient is φ = 10181250.

The previous prime is 10181231. The next prime is 10181261. The reversal of 10181251 is 15218101.

It is a happy number.

10181251 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (15218101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10181251 - 2⁵ = 10181219 is a prime.

It is not a weakly prime, because it can be changed into another prime (10181201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5090625 + 5090626.

It is an arithmetic number, because the mean of its divisors is an integer number (5090626).

Almost surely, 2^10181251 is an apocalyptic number.

10181251 is a deficient number, since it is larger than the sum of its proper divisors (1).

10181251 is an equidigital number, since it uses as much as digits as its factorization.

10181251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80, while the sum is 19.

The square root of 10181251 is about 3190.8072646276. The cubic root of 10181251 is about 216.7373279061.

Adding to 10181251 its reverse (15218101), we get a palindrome (25399352).

The spelling of 10181251 in words is "ten million, one hundred eighty-one thousand, two hundred fifty-one".