607561 has 4 divisors (see below), whose sum is σ = 610324. Its totient is φ = 604800.

The previous prime is 607549. The next prime is 607573. The reversal of 607561 is 165706.

607561 is nontrivially palindromic in base 16.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (607549) and next prime (607573).

It can be written as a sum of positive squares in 2 ways, for example, as 160000 + 447561 = 400^2 + 669^2 .

It is a cyclic number.

It is not a de Polignac number, because 607561 - 2⁹ = 607049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (607531) 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, 1020 + ... + 1501.

It is an arithmetic number, because the mean of its divisors is an integer number (152581).

2⁶⁰⁷⁵⁶¹ is an apocalyptic number.

It is an amenable number.

607561 is a deficient number, since it is larger than the sum of its proper divisors (2763).

607561 is a wasteful number, since it uses less digits than its factorization.

607561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2762.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 607561 is about 779.4619939420. The cubic root of 607561 is about 84.6960772302.

The spelling of 607561 in words is "six hundred seven thousand, five hundred sixty-one".