3540401 has 2 divisors, whose sum is σ = 3540402. Its totient is φ = 3540400.

The previous prime is 3540377. The next prime is 3540421. The reversal of 3540401 is 1040453.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3519376 + 21025 = 1876^2 + 145^2 .

It is a cyclic number.

It is not a de Polignac number, because 3540401 - 2¹⁸ = 3278257 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3540401.

It is not a weakly prime, because it can be changed into another prime (3540421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1770200 + 1770201.

It is an arithmetic number, because the mean of its divisors is an integer number (1770201).

Almost surely, 2^3540401 is an apocalyptic number.

It is an amenable number.

3540401 is a deficient number, since it is larger than the sum of its proper divisors (1).

3540401 is an equidigital number, since it uses as much as digits as its factorization.

3540401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 3540401 is about 1881.5953337527. The cubic root of 3540401 is about 152.4114114165.

Adding to 3540401 its reverse (1040453), we get a palindrome (4580854).

The spelling of 3540401 in words is "three million, five hundred forty thousand, four hundred one".