3557457245 has 4 divisors (see below), whose sum is σ = 4268948700. Its totient is φ = 2845965792.

The previous prime is 3557457227. The next prime is 3557457263. The reversal of 3557457245 is 5427547553.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (3557457227) and next prime (3557457263).

It can be written as a sum of positive squares in 2 ways, for example, as 2480239204 + 1077218041 = 49802^2 + 32821^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3557457245 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3557457245.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 355745720 + ... + 355745729.

It is an arithmetic number, because the mean of its divisors is an integer number (1067237175).

Almost surely, 2^3557457245 is an apocalyptic number.

It is an amenable number.

3557457245 is a deficient number, since it is larger than the sum of its proper divisors (711491455).

3557457245 is an equidigital number, since it uses as much as digits as its factorization.

3557457245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711491454.

The product of its digits is 2940000, while the sum is 47.

The square root of 3557457245 is about 59644.4234191261. The cubic root of 3557457245 is about 1526.5577196132.

The spelling of 3557457245 in words is "three billion, five hundred fifty-seven million, four hundred fifty-seven thousand, two hundred forty-five".