561340425 has 48 divisors (see below), whose sum is σ = 995293440. Its totient is φ = 278154240.

The previous prime is 561340399. The next prime is 561340433. The reversal of 561340425 is 524043165.

It is not a de Polignac number, because 561340425 - 2¹⁴ = 561324041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 561340392 and 561340401.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 97939 + ... + 103511.

It is an arithmetic number, because the mean of its divisors is an integer number (20735280).

Almost surely, 2^561340425 is an apocalyptic number.

It is an amenable number.

561340425 is a deficient number, since it is larger than the sum of its proper divisors (433953015).

561340425 is a wasteful number, since it uses less digits than its factorization.

561340425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5682 (or 5677 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 561340425 is about 23692.6238521612. The cubic root of 561340425 is about 824.9141875851.

The spelling of 561340425 in words is "five hundred sixty-one million, three hundred forty thousand, four hundred twenty-five".