980475505 has 4 divisors (see below), whose sum is σ = 1176570612. Its totient is φ = 784380400.

The previous prime is 980475499. The next prime is 980475539. The reversal of 980475505 is 505574089.

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

It can be written as a sum of positive squares in 2 ways, for example, as 281031696 + 699443809 = 16764^2 + 26447^2 .

It is not a de Polignac number, because 980475505 - 2¹¹ = 980473457 is a prime.

It is a super-2 number, since 2×980475505² = 1922664431810010050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 98047546 + ... + 98047555.

It is an arithmetic number, because the mean of its divisors is an integer number (294142653).

Almost surely, 2^980475505 is an apocalyptic number.

It is an amenable number.

980475505 is a deficient number, since it is larger than the sum of its proper divisors (196095107).

980475505 is a wasteful number, since it uses less digits than its factorization.

980475505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196095106.

The product of its (nonzero) digits is 252000, while the sum is 43.

The square root of 980475505 is about 31312.5454889889. The cubic root of 980475505 is about 993.4490132859.

The spelling of 980475505 in words is "nine hundred eighty million, four hundred seventy-five thousand, five hundred five".