981327451 has 16 divisors (see below), whose sum is σ = 1065915648. Its totient is φ = 898077600.

The previous prime is 981327443. The next prime is 981327461. The reversal of 981327451 is 154723189.

It is a cyclic number.

It is not a de Polignac number, because 981327451 - 2³ = 981327443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (981327461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 951306 + ... + 952336.

It is an arithmetic number, because the mean of its divisors is an integer number (66619728).

Almost surely, 2^981327451 is an apocalyptic number.

981327451 is a deficient number, since it is larger than the sum of its proper divisors (84588197).

981327451 is a wasteful number, since it uses less digits than its factorization.

981327451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1602.

The product of its digits is 60480, while the sum is 40.

The square root of 981327451 is about 31326.1464435063. The cubic root of 981327451 is about 993.7366695943.

The spelling of 981327451 in words is "nine hundred eighty-one million, three hundred twenty-seven thousand, four hundred fifty-one".