1560642245 has 16 divisors (see below), whose sum is σ = 2031302448. Its totient is φ = 1146408960.

The previous prime is 1560642233. The next prime is 1560642257. The reversal of 1560642245 is 5422460651.

It is an interprime number because it is at equal distance from previous prime (1560642233) and next prime (1560642257).

It can be written as a sum of positive squares in 8 ways, for example, as 41357761 + 1519284484 = 6431^2 + 38978^2 .

It is not a de Polignac number, because 1560642245 - 2¹⁰ = 1560641221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 220424 + ... + 227393.

It is an arithmetic number, because the mean of its divisors is an integer number (126956403).

Almost surely, 2^1560642245 is an apocalyptic number.

It is an amenable number.

1560642245 is a deficient number, since it is larger than the sum of its proper divisors (470660203).

1560642245 is a wasteful number, since it uses less digits than its factorization.

1560642245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447880.

The product of its (nonzero) digits is 57600, while the sum is 35.

The square root of 1560642245 is about 39504.9648145648. The cubic root of 1560642245 is about 1159.9371361593.

The spelling of 1560642245 in words is "one billion, five hundred sixty million, six hundred forty-two thousand, two hundred forty-five".