245921532547 has 16 divisors (see below), whose sum is σ = 249972210432. Its totient is φ = 241887886240.

The previous prime is 245921532539. The next prime is 245921532569. The reversal of 245921532547 is 745235129542.

It is a cyclic number.

It is not a de Polignac number, because 245921532547 - 2³ = 245921532539 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 245921532547.

It is not an unprimeable number, because it can be changed into a prime (245921532047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108477708 + ... + 108479974.

It is an arithmetic number, because the mean of its divisors is an integer number (15623263152).

Almost surely, 2^245921532547 is an apocalyptic number.

245921532547 is a deficient number, since it is larger than the sum of its proper divisors (4050677885).

245921532547 is a wasteful number, since it uses less digits than its factorization.

245921532547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5258.

The product of its digits is 3024000, while the sum is 49.

The spelling of 245921532547 in words is "two hundred forty-five billion, nine hundred twenty-one million, five hundred thirty-two thousand, five hundred forty-seven".