3610549 has 2 divisors, whose sum is σ = 3610550. Its totient is φ = 3610548.

The previous prime is 3610547. The next prime is 3610553. The reversal of 3610549 is 9450163.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2745649 + 864900 = 1657^2 + 930^2 .

It is a cyclic number.

It is not a de Polignac number, because 3610549 - 2¹ = 3610547 is a prime.

Together with 3610547, it forms a pair of twin primes.

It is an alternating number because its digits alternate between odd and even.

It is equal to p₂₅₇₄₅₅ and since 3610549 and 257455 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3610543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1805274 + 1805275.

It is an arithmetic number, because the mean of its divisors is an integer number (1805275).

Almost surely, 2^3610549 is an apocalyptic number.

It is an amenable number.

3610549 is a deficient number, since it is larger than the sum of its proper divisors (1).

3610549 is an equidigital number, since it uses as much as digits as its factorization.

3610549 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 3610549 is about 1900.1444681918. The cubic root of 3610549 is about 153.4114404622.

It can be divided in two parts, 36 and 10549, that added together give a triangular number (10585 = T₁₄₅).

The spelling of 3610549 in words is "three million, six hundred ten thousand, five hundred forty-nine".