562621645 has 4 divisors (see below), whose sum is σ = 675145980. Its totient is φ = 450097312.

The previous prime is 562621603. The next prime is 562621687. The reversal of 562621645 is 546126265.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 546126265 = 5 ⋅109225253.

It is an interprime number because it is at equal distance from previous prime (562621603) and next prime (562621687).

It can be written as a sum of positive squares in 2 ways, for example, as 242175844 + 320445801 = 15562^2 + 17901^2 .

It is a cyclic number.

It is not a de Polignac number, because 562621645 - 2⁹ = 562621133 is a prime.

It is a super-3 number, since 3×562621645³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56262160 + ... + 56262169.

It is an arithmetic number, because the mean of its divisors is an integer number (168786495).

Almost surely, 2^562621645 is an apocalyptic number.

It is an amenable number.

562621645 is a deficient number, since it is larger than the sum of its proper divisors (112524335).

562621645 is a wasteful number, since it uses less digits than its factorization.

562621645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112524334.

The product of its digits is 86400, while the sum is 37.

The square root of 562621645 is about 23719.6468144026. The cubic root of 562621645 is about 825.5413135554.

The spelling of 562621645 in words is "five hundred sixty-two million, six hundred twenty-one thousand, six hundred forty-five".