80275531 has 4 divisors (see below), whose sum is σ = 91743472. Its totient is φ = 68807592.

The previous prime is 80275529. The next prime is 80275553. The reversal of 80275531 is 13557208.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 80275531 - 2¹ = 80275529 is a prime.

It is a super-2 number, since 2×80275531² = 12888321754663922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 80275493 and 80275502.

It is not an unprimeable number, because it can be changed into a prime (80275501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5733960 + ... + 5733973.

It is an arithmetic number, because the mean of its divisors is an integer number (22935868).

Almost surely, 2^80275531 is an apocalyptic number.

80275531 is a deficient number, since it is larger than the sum of its proper divisors (11467941).

80275531 is a wasteful number, since it uses less digits than its factorization.

80275531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11467940.

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 80275531 is about 8959.6613217242. The cubic root of 80275531 is about 431.3810491314.

The spelling of 80275531 in words is "eighty million, two hundred seventy-five thousand, five hundred thirty-one".