561025722 has 16 divisors (see below), whose sum is σ = 1123660512. Its totient is φ = 186740400.

The previous prime is 561025691. The next prime is 561025753. The reversal of 561025722 is 227520165.

It is an interprime number because it is at equal distance from previous prime (561025691) and next prime (561025753).

It is a self number, because there is not a number n which added to its sum of digits gives 561025722.

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 7 ways as a sum of consecutive naturals, for example, 62488 + ... + 70899.

It is an arithmetic number, because the mean of its divisors is an integer number (70228782).

Almost surely, 2^561025722 is an apocalyptic number.

561025722 is an abundant number, since it is smaller than the sum of its proper divisors (562634790).

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

561025722 is a wasteful number, since it uses less digits than its factorization.

561025722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134093.

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 561025722 is about 23685.9815502757. The cubic root of 561025722 is about 824.7600021825.

Adding to 561025722 its reverse (227520165), we get a palindrome (788545887).

The spelling of 561025722 in words is "five hundred sixty-one million, twenty-five thousand, seven hundred twenty-two".