80970451 has 4 divisors (see below), whose sum is σ = 81455472. Its totient is φ = 80485432.

The previous prime is 80970433. The next prime is 80970469. The reversal of 80970451 is 15407908.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (80970433) and next prime (80970469).

It is a cyclic number.

It is not a de Polignac number, because 80970451 - 2¹⁷ = 80839379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80970251) 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 in 3 ways as a sum of consecutive naturals, for example, 242260 + ... + 242593.

It is an arithmetic number, because the mean of its divisors is an integer number (20363868).

Almost surely, 2^80970451 is an apocalyptic number.

80970451 is a deficient number, since it is larger than the sum of its proper divisors (485021).

80970451 is a wasteful number, since it uses less digits than its factorization.

80970451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485020.

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 80970451 is about 8998.3582391456. The cubic root of 80970451 is about 432.6222510726.

The spelling of 80970451 in words is "eighty million, nine hundred seventy thousand, four hundred fifty-one".