245505541 has 8 divisors (see below), whose sum is σ = 249984000. Its totient is φ = 241041840.

The previous prime is 245505527. The next prime is 245505563. The reversal of 245505541 is 145505542.

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 245505541 - 2⁵ = 245505509 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 (245505571) 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, 33180 + ... + 39898.

It is an arithmetic number, because the mean of its divisors is an integer number (31248000).

Almost surely, 2^245505541 is an apocalyptic number.

It is an amenable number.

245505541 is a deficient number, since it is larger than the sum of its proper divisors (4478459).

245505541 is an equidigital number, since it uses as much as digits as its factorization.

245505541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7379.

The product of its (nonzero) digits is 20000, while the sum is 31.

The square root of 245505541 is about 15668.6164354100. The cubic root of 245505541 is about 626.1625644893.

Subtracting from 245505541 its reverse (145505542), we obtain a palindrome (99999999).

The spelling of 245505541 in words is "two hundred forty-five million, five hundred five thousand, five hundred forty-one".