375340981 has 2 divisors, whose sum is σ = 375340982. Its totient is φ = 375340980.

The previous prime is 375340969. The next prime is 375340993. The reversal of 375340981 is 189043573.

It is a balanced prime because it is at equal distance from previous prime (375340969) and next prime (375340993).

It can be written as a sum of positive squares in only one way, i.e., 313467025 + 61873956 = 17705^2 + 7866^2 .

It is an emirp because it is prime and its reverse (189043573) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 375340981 - 2¹⁷ = 375209909 is a prime.

It is a super-2 number, since 2×375340981² = 281761704036084722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (375340921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 187670490 + 187670491.

It is an arithmetic number, because the mean of its divisors is an integer number (187670491).

Almost surely, 2^375340981 is an apocalyptic number.

It is an amenable number.

375340981 is a deficient number, since it is larger than the sum of its proper divisors (1).

375340981 is an equidigital number, since it uses as much as digits as its factorization.

375340981 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 375340981 is about 19373.7188221570. The cubic root of 375340981 is about 721.3432876961.

The spelling of 375340981 in words is "three hundred seventy-five million, three hundred forty thousand, nine hundred eighty-one".