37154981 has 2 divisors, whose sum is σ = 37154982. Its totient is φ = 37154980.

The previous prime is 37154947. The next prime is 37154983. The reversal of 37154981 is 18945173.

37154981 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19228225 + 17926756 = 4385^2 + 4234^2 .

It is a cyclic number.

It is not a de Polignac number, because 37154981 - 2¹⁸ = 36892837 is a prime.

It is a super-2 number, since 2×37154981² = 2760985226220722, which contains 22 as substring.

Together with 37154983, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (37154983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18577490 + 18577491.

It is an arithmetic number, because the mean of its divisors is an integer number (18577491).

Almost surely, 2^37154981 is an apocalyptic number.

It is an amenable number.

37154981 is a deficient number, since it is larger than the sum of its proper divisors (1).

37154981 is an equidigital number, since it uses as much as digits as its factorization.

37154981 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30240, while the sum is 38.

The square root of 37154981 is about 6095.4885776285. The cubic root of 37154981 is about 333.6867902943.

The spelling of 37154981 in words is "thirty-seven million, one hundred fifty-four thousand, nine hundred eighty-one".