556125613 has 4 divisors (see below), whose sum is σ = 559232640. Its totient is φ = 553018588.

The previous prime is 556125569. The next prime is 556125623. The reversal of 556125613 is 316521655.

556125613 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 316521655 = 5 ⋅63304331.

It is a cyclic number.

It is not a de Polignac number, because 556125613 - 2¹⁷ = 555994541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556125623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1553245 + ... + 1553602.

It is an arithmetic number, because the mean of its divisors is an integer number (139808160).

Almost surely, 2^556125613 is an apocalyptic number.

It is an amenable number.

556125613 is a deficient number, since it is larger than the sum of its proper divisors (3107027).

556125613 is a wasteful number, since it uses less digits than its factorization.

556125613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3107026.

The product of its digits is 27000, while the sum is 34.

The square root of 556125613 is about 23582.3156835795. The cubic root of 556125613 is about 822.3517718367.

The spelling of 556125613 in words is "five hundred fifty-six million, one hundred twenty-five thousand, six hundred thirteen".