3540461 has 2 divisors, whose sum is σ = 3540462. Its totient is φ = 3540460.

The previous prime is 3540457. The next prime is 3540487. The reversal of 3540461 is 1640453.

3540461 = 1330² + 1331².

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1771561 + 1768900 = 1331^2 + 1330^2 .

It is a cyclic number.

It is not a de Polignac number, because 3540461 - 2² = 3540457 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3540401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1770230 + 1770231.

It is an arithmetic number, because the mean of its divisors is an integer number (1770231).

Almost surely, 2^3540461 is an apocalyptic number.

3540461 is the 1331-st centered square number.

It is an amenable number.

3540461 is a deficient number, since it is larger than the sum of its proper divisors (1).

3540461 is an equidigital number, since it uses as much as digits as its factorization.

3540461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 3540461 is about 1881.6112776023. The cubic root of 3540461 is about 152.4122723955.

The spelling of 3540461 in words is "three million, five hundred forty thousand, four hundred sixty-one".