80361251 has 2 divisors, whose sum is σ = 80361252. Its totient is φ = 80361250.

The previous prime is 80361199. The next prime is 80361257. The reversal of 80361251 is 15216308.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80361251 - 2⁶ = 80361187 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 80361251.

It is not a weakly prime, because it can be changed into another prime (80361257) 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, 40180625 + 40180626.

It is an arithmetic number, because the mean of its divisors is an integer number (40180626).

Almost surely, 2^80361251 is an apocalyptic number.

80361251 is a deficient number, since it is larger than the sum of its proper divisors (1).

80361251 is an equidigital number, since it uses as much as digits as its factorization.

80361251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 80361251 is about 8964.4437083402. The cubic root of 80361251 is about 431.5345406080.

Adding to 80361251 its reverse (15216308), we get a palindrome (95577559).

The spelling of 80361251 in words is "eighty million, three hundred sixty-one thousand, two hundred fifty-one".