561370 has 16 divisors (see below), whose sum is σ = 1025640. Its totient is φ = 221184.

The previous prime is 561367. The next prime is 561373. The reversal of 561370 is 73165.

It is an interprime number because it is at equal distance from previous prime (561367) and next prime (561373).

It can be written as a sum of positive squares in 4 ways, for example, as 439569 + 121801 = 663^2 + 349^2 .

It is not an unprimeable number, because it can be changed into a prime (561373) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 346 + ... + 1114.

2⁵⁶¹³⁷⁰ is an apocalyptic number.

561370 is a deficient number, since it is larger than the sum of its proper divisors (464270).

561370 is a wasteful number, since it uses less digits than its factorization.

561370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 849.

The product of its (nonzero) digits is 630, while the sum is 22.

The square root of 561370 is about 749.2462879454. The cubic root of 561370 is about 82.4928674581.

The spelling of 561370 in words is "five hundred sixty-one thousand, three hundred seventy".