613563428 has 12 divisors (see below), whose sum is σ = 1130248560. Its totient is φ = 290635272.

The previous prime is 613563413. The next prime is 613563443. The reversal of 613563428 is 824365316.

It is an interprime number because it is at equal distance from previous prime (613563413) and next prime (613563443).

It is a super-2 number, since 2×613563428² = 752920160358222368, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a junction number, because it is equal to n+sod(n) for n = 613563391 and 613563400.

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 3 ways as a sum of consecutive naturals, for example, 4036526 + ... + 4036677.

It is an arithmetic number, because the mean of its divisors is an integer number (94187380).

Almost surely, 2^613563428 is an apocalyptic number.

It is an amenable number.

613563428 is a deficient number, since it is larger than the sum of its proper divisors (516685132).

613563428 is a wasteful number, since it uses less digits than its factorization.

613563428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8073226 (or 8073224 counting only the distinct ones).

The product of its digits is 103680, while the sum is 38.

The square root of 613563428 is about 24770.2125142276. The cubic root of 613563428 is about 849.7408335598.

The spelling of 613563428 in words is "six hundred thirteen million, five hundred sixty-three thousand, four hundred twenty-eight".