80005251 has 8 divisors (see below), whose sum is σ = 106810704. Its totient is φ = 53268320.

The previous prime is 80005223. The next prime is 80005279. The reversal of 80005251 is 15250008.

It is an interprime number because it is at equal distance from previous prime (80005223) and next prime (80005279).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 80005251 - 2⁶ = 80005187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80005151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14340 + ... + 19121.

It is an arithmetic number, because the mean of its divisors is an integer number (13351338).

Almost surely, 2^80005251 is an apocalyptic number.

80005251 is a deficient number, since it is larger than the sum of its proper divisors (26805453).

80005251 is a wasteful number, since it uses less digits than its factorization.

80005251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34261.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 80005251 is about 8944.5654450063. The cubic root of 80005251 is about 430.8963652473.

Adding to 80005251 its reverse (15250008), we get a palindrome (95255259).

The spelling of 80005251 in words is "eighty million, five thousand, two hundred fifty-one".