556250349 has 4 divisors (see below), whose sum is σ = 741667136. Its totient is φ = 370833564.

The previous prime is 556250347. The next prime is 556250351. The reversal of 556250349 is 943052655.

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.

It is an interprime number because it is at equal distance from previous prime (556250347) and next prime (556250351).

It is not a de Polignac number, because 556250349 - 2¹ = 556250347 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556250347) 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, 92708389 + ... + 92708394.

It is an arithmetic number, because the mean of its divisors is an integer number (185416784).

Almost surely, 2^556250349 is an apocalyptic number.

It is an amenable number.

556250349 is a deficient number, since it is larger than the sum of its proper divisors (185416787).

556250349 is a wasteful number, since it uses less digits than its factorization.

556250349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185416786.

The product of its (nonzero) digits is 162000, while the sum is 39.

The square root of 556250349 is about 23584.9602289256. The cubic root of 556250349 is about 822.4132502749.

The spelling of 556250349 in words is "five hundred fifty-six million, two hundred fifty thousand, three hundred forty-nine".