3780541 has 2 divisors, whose sum is σ = 3780542. Its totient is φ = 3780540.

The previous prime is 3780521. The next prime is 3780559. The reversal of 3780541 is 1450873.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2709316 + 1071225 = 1646^2 + 1035^2 .

It is an emirp because it is prime and its reverse (1450873) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3780541 - 2⁵ = 3780509 is a prime.

3780541 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3780521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1890270 + 1890271.

It is an arithmetic number, because the mean of its divisors is an integer number (1890271).

Almost surely, 2^3780541 is an apocalyptic number.

It is an amenable number.

3780541 is a deficient number, since it is larger than the sum of its proper divisors (1).

3780541 is an equidigital number, since it uses as much as digits as its factorization.

3780541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 3780541 is about 1944.3613347318. The cubic root of 3780541 is about 155.7822542865.

The spelling of 3780541 in words is "three million, seven hundred eighty thousand, five hundred forty-one".