201560245 has 8 divisors (see below), whose sum is σ = 256100184. Its totient is φ = 151762944.

The previous prime is 201560239. The next prime is 201560251. The reversal of 201560245 is 542065102.

It is an interprime number because it is at equal distance from previous prime (201560239) and next prime (201560251).

It can be written as a sum of positive squares in 4 ways, for example, as 59259204 + 142301041 = 7698^2 + 11929^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 201560245 - 2⁵ = 201560213 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 (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1185564 + ... + 1185733.

It is an arithmetic number, because the mean of its divisors is an integer number (32012523).

Almost surely, 2^201560245 is an apocalyptic number.

It is an amenable number.

201560245 is a deficient number, since it is larger than the sum of its proper divisors (54539939).

201560245 is a wasteful number, since it uses less digits than its factorization.

201560245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2371319.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 201560245 is about 14197.1914476068. The cubic root of 201560245 is about 586.3203381977.

The spelling of 201560245 in words is "two hundred one million, five hundred sixty thousand, two hundred forty-five".