80473453 has 2 divisors, whose sum is σ = 80473454. Its totient is φ = 80473452.

The previous prime is 80473441. The next prime is 80473469. The reversal of 80473453 is 35437408.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 79959364 + 514089 = 8942^2 + 717^2 .

It is a cyclic number.

It is not a de Polignac number, because 80473453 - 2¹³ = 80465261 is a prime.

It is equal to p_4695442 and since 80473453 and 4695442 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80473403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40236726 + 40236727.

It is an arithmetic number, because the mean of its divisors is an integer number (40236727).

Almost surely, 2^80473453 is an apocalyptic number.

It is an amenable number.

80473453 is a deficient number, since it is larger than the sum of its proper divisors (1).

80473453 is an equidigital number, since it uses as much as digits as its factorization.

80473453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 80473453 is about 8970.6996940038. The cubic root of 80473453 is about 431.7352862859.

The spelling of 80473453 in words is "eighty million, four hundred seventy-three thousand, four hundred fifty-three".