3561049 has 4 divisors (see below), whose sum is σ = 3636864. Its totient is φ = 3485236.

The previous prime is 3561023. The next prime is 3561053. The reversal of 3561049 is 9401653.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9401653 = 1013 ⋅9281.

It is a cyclic number.

It is not a de Polignac number, because 3561049 - 2⁹ = 3560537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3561059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37837 + ... + 37930.

It is an arithmetic number, because the mean of its divisors is an integer number (909216).

Almost surely, 2^3561049 is an apocalyptic number.

It is an amenable number.

3561049 is a deficient number, since it is larger than the sum of its proper divisors (75815).

3561049 is an equidigital number, since it uses as much as digits as its factorization.

3561049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75814.

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

The square root of 3561049 is about 1887.0741903804. The cubic root of 3561049 is about 152.7071305271.

The spelling of 3561049 in words is "three million, five hundred sixty-one thousand, forty-nine".