245725885021 has 8 divisors (see below), whose sum is σ = 247433474144. Its totient is φ = 244020736080.

The previous prime is 245725885001. The next prime is 245725885033. The reversal of 245725885021 is 120588527542.

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 245725885021 - 2³¹ = 243578401373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245725885001) 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, 407715 + ... + 810976.

It is an arithmetic number, because the mean of its divisors is an integer number (30929184268).

Almost surely, 2^245725885021 is an apocalyptic number.

It is an amenable number.

245725885021 is a deficient number, since it is larger than the sum of its proper divisors (1707589123).

245725885021 is a wasteful number, since it uses less digits than its factorization.

245725885021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1220091.

The product of its (nonzero) digits is 1792000, while the sum is 49.

The spelling of 245725885021 in words is "two hundred forty-five billion, seven hundred twenty-five million, eight hundred eighty-five thousand, twenty-one".