561070 has 16 divisors (see below), whose sum is σ = 1063440. Its totient is φ = 212544.

The previous prime is 561061. The next prime is 561079. The reversal of 561070 is 70165.

It is an interprime number because it is at equal distance from previous prime (561061) and next prime (561079).

It is a Harshad number since it is a multiple of its sum of digits (19).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1287 + ... + 1666.

It is an arithmetic number, because the mean of its divisors is an integer number (66465).

2⁵⁶¹⁰⁷⁰ is an apocalyptic number.

561070 is a deficient number, since it is larger than the sum of its proper divisors (502370).

561070 is a wasteful number, since it uses less digits than its factorization.

561070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2979.

The product of its (nonzero) digits is 210, while the sum is 19.

The square root of 561070 is about 749.0460599990. The cubic root of 561070 is about 82.4781699205.

It can be divided in two parts, 5 and 61070, that added together give a triangular number (61075 = T₃₄₉).

The spelling of 561070 in words is "five hundred sixty-one thousand, seventy".