36980381 has 2 divisors, whose sum is σ = 36980382. Its totient is φ = 36980380.

The previous prime is 36980371. The next prime is 36980393. The reversal of 36980381 is 18308963.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28622500 + 8357881 = 5350^2 + 2891^2 .

It is an emirp because it is prime and its reverse (18308963) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 36980381 - 2¹⁰ = 36979357 is a prime.

It is a super-2 number, since 2×36980381² = 2735097157810322, which contains 22 as substring.

It is a plaindrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36980351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18490190 + 18490191.

It is an arithmetic number, because the mean of its divisors is an integer number (18490191).

Almost surely, 2^36980381 is an apocalyptic number.

It is an amenable number.

36980381 is a deficient number, since it is larger than the sum of its proper divisors (1).

36980381 is an equidigital number, since it uses as much as digits as its factorization.

36980381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 36980381 is about 6081.1496445985. The cubic root of 36980381 is about 333.1632784810.

The spelling of 36980381 in words is "thirty-six million, nine hundred eighty thousand, three hundred eighty-one".