245661361003 has 8 divisors (see below), whose sum is σ = 248108814720. Its totient is φ = 243214204800.

The previous prime is 245661360953. The next prime is 245661361009. The reversal of 245661361003 is 300163166542.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-245661361003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245661361009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1825651 + ... + 1955587.

It is an arithmetic number, because the mean of its divisors is an integer number (31013601840).

Almost surely, 2^245661361003 is an apocalyptic number.

245661361003 is a deficient number, since it is larger than the sum of its proper divisors (2447453717).

245661361003 is a wasteful number, since it uses less digits than its factorization.

245661361003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148757.

The product of its (nonzero) digits is 77760, while the sum is 37.

The spelling of 245661361003 in words is "two hundred forty-five billion, six hundred sixty-one million, three hundred sixty-one thousand, three".