3754981 has 2 divisors, whose sum is σ = 3754982. Its totient is φ = 3754980.

The previous prime is 3754979. The next prime is 3755023. The reversal of 3754981 is 1894573.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3006756 + 748225 = 1734^2 + 865^2 .

It is a cyclic number.

It is not a de Polignac number, because 3754981 - 2¹ = 3754979 is a prime.

It is a super-2 number, since 2×3754981² = 28199764620722, which contains 22 as substring.

Together with 3754979, it forms a pair of twin primes.

It is a Chen prime.

3754981 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 3754981.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3754921) 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, 1877490 + 1877491.

It is an arithmetic number, because the mean of its divisors is an integer number (1877491).

Almost surely, 2^3754981 is an apocalyptic number.

It is an amenable number.

3754981 is a deficient number, since it is larger than the sum of its proper divisors (1).

3754981 is an equidigital number, since it uses as much as digits as its factorization.

3754981 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30240, while the sum is 37.

The square root of 3754981 is about 1937.7773349898. Note that the first 3 decimals coincide. The cubic root of 3754981 is about 155.4303820869.

It can be divided in two parts, 375 and 4981, that added together give a triangular number (5356 = T₁₀₃).

The spelling of 3754981 in words is "three million, seven hundred fifty-four thousand, nine hundred eighty-one".