1061549 has 4 divisors (see below), whose sum is σ = 1117440. Its totient is φ = 1005660.

The previous prime is 1061527. The next prime is 1061561. The reversal of 1061549 is 9451601.

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: 9451601 = 311 ⋅30391.

It is a cyclic number.

It is not a de Polignac number, because 1061549 - 2²⁰ = 12973 is a prime.

It is a super-2 number, since 2×1061549² = 2253772558802, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1061509) 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, 27917 + ... + 27954.

It is an arithmetic number, because the mean of its divisors is an integer number (279360).

2^1061549 is an apocalyptic number.

1061549 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1061549 is a deficient number, since it is larger than the sum of its proper divisors (55891).

1061549 is an equidigital number, since it uses as much as digits as its factorization.

1061549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55890.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 1061549 is about 1030.3150003761. The cubic root of 1061549 is about 102.0109241151.

The spelling of 1061549 in words is "one million, sixty-one thousand, five hundred forty-nine".