80529751 has 2 divisors, whose sum is σ = 80529752. Its totient is φ = 80529750.

The previous prime is 80529707. The next prime is 80529769. The reversal of 80529751 is 15792508.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80529751 - 2¹³ = 80521559 is a prime.

It is a super-2 number, since 2×80529751² = 12970081592244002, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 80529751.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80529451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40264875 + 40264876.

It is an arithmetic number, because the mean of its divisors is an integer number (40264876).

Almost surely, 2^80529751 is an apocalyptic number.

80529751 is a deficient number, since it is larger than the sum of its proper divisors (1).

80529751 is an equidigital number, since it uses as much as digits as its factorization.

80529751 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25200, while the sum is 37.

The square root of 80529751 is about 8973.8370277156. The cubic root of 80529751 is about 431.8359412906.

The spelling of 80529751 in words is "eighty million, five hundred twenty-nine thousand, seven hundred fifty-one".