80925431 has 8 divisors (see below), whose sum is σ = 86504544. Its totient is φ = 75518080.

The previous prime is 80925379. The next prime is 80925443. The reversal of 80925431 is 13452908.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80925431 is a prime.

It is a super-2 number, since 2×80925431² = 13097850765071522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80928431) 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, 41966 + ... + 43851.

It is an arithmetic number, because the mean of its divisors is an integer number (10813068).

Almost surely, 2^80925431 is an apocalyptic number.

80925431 is a deficient number, since it is larger than the sum of its proper divisors (5579113).

80925431 is a wasteful number, since it uses less digits than its factorization.

80925431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85881.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 80925431 is about 8995.8563238860. The cubic root of 80925431 is about 432.5420561195.

The spelling of 80925431 in words is "eighty million, nine hundred twenty-five thousand, four hundred thirty-one".