245661530827 has 8 divisors (see below), whose sum is σ = 246146554640. Its totient is φ = 245176761600.

The previous prime is 245661530789. The next prime is 245661530843. The reversal of 245661530827 is 728035166542.

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

It is a cyclic number.

It is not a de Polignac number, because 245661530827 - 2²³ = 245653142219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245661530857) 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, 1929424 + ... + 2052802.

It is an arithmetic number, because the mean of its divisors is an integer number (30768319330).

Almost surely, 2^245661530827 is an apocalyptic number.

245661530827 is a deficient number, since it is larger than the sum of its proper divisors (485023813).

245661530827 is a wasteful number, since it uses less digits than its factorization.

245661530827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127293.

The product of its (nonzero) digits is 2419200, while the sum is 49.

The spelling of 245661530827 in words is "two hundred forty-five billion, six hundred sixty-one million, five hundred thirty thousand, eight hundred twenty-seven".