32374981 has 2 divisors, whose sum is σ = 32374982. Its totient is φ = 32374980.

The previous prime is 32374921. The next prime is 32374999. The reversal of 32374981 is 18947323.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27352900 + 5022081 = 5230^2 + 2241^2 .

It is a cyclic number.

It is not a de Polignac number, because 32374981 - 2²¹ = 30277829 is a prime.

It is a super-2 number, since 2×32374981² = 2096278789500722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 32374981.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32374921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16187490 + 16187491.

It is an arithmetic number, because the mean of its divisors is an integer number (16187491).

Almost surely, 2^32374981 is an apocalyptic number.

It is an amenable number.

32374981 is a deficient number, since it is larger than the sum of its proper divisors (1).

32374981 is an equidigital number, since it uses as much as digits as its factorization.

32374981 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288, while the sum is 37.

The square root of 32374981 is about 5689.9016687461. The cubic root of 32374981 is about 318.7154920480.

The spelling of 32374981 in words is "thirty-two million, three hundred seventy-four thousand, nine hundred eighty-one".