561337425 has 192 divisors, whose sum is σ = 1242777600. Its totient is φ = 245203200.

The previous prime is 561337411. The next prime is 561337477. The reversal of 561337425 is 524733165.

561337425 is a `hidden beast` number, since 5 + 613 + 37 + 4 + 2 + 5 = 666.

It is not a de Polignac number, because 561337425 - 2⁵ = 561337393 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 561337425.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 3244639 + ... + 3244811.

It is an arithmetic number, because the mean of its divisors is an integer number (6472800).

Almost surely, 2^561337425 is an apocalyptic number.

561337425 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

561337425 is an abundant number, since it is smaller than the sum of its proper divisors (681440175).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

561337425 is a wasteful number, since it uses less digits than its factorization.

561337425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245 (or 234 counting only the distinct ones).

The product of its digits is 75600, while the sum is 36.

The square root of 561337425 is about 23692.5605412332. The cubic root of 561337425 is about 824.9127180389.

The spelling of 561337425 in words is "five hundred sixty-one million, three hundred thirty-seven thousand, four hundred twenty-five".