3540149 has 2 divisors, whose sum is σ = 3540150. Its totient is φ = 3540148.

The previous prime is 3540139. The next prime is 3540157. The reversal of 3540149 is 9410453.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3422500 + 117649 = 1850^2 + 343^2 .

It is a cyclic number.

It is not a de Polignac number, because 3540149 - 2⁴ = 3540133 is a prime.

It is a Chen prime.

It is a plaindrome in base 15.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3540109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1770074 + 1770075.

It is an arithmetic number, because the mean of its divisors is an integer number (1770075).

Almost surely, 2^3540149 is an apocalyptic number.

It is an amenable number.

3540149 is a deficient number, since it is larger than the sum of its proper divisors (1).

3540149 is an equidigital number, since it uses as much as digits as its factorization.

3540149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 3540149 is about 1881.5283681093. The cubic root of 3540149 is about 152.4077951983.

The spelling of 3540149 in words is "three million, five hundred forty thousand, one hundred forty-nine".