245513741 has 4 divisors (see below), whose sum is σ = 267833184. Its totient is φ = 223194300.

The previous prime is 245513713. The next prime is 245513743. The reversal of 245513741 is 147315542.

245513741 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-245513741 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 245513698 and 245513707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245513743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11159705 + ... + 11159726.

It is an arithmetic number, because the mean of its divisors is an integer number (66958296).

Almost surely, 2^245513741 is an apocalyptic number.

It is an amenable number.

245513741 is a deficient number, since it is larger than the sum of its proper divisors (22319443).

245513741 is a wasteful number, since it uses less digits than its factorization.

245513741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22319442.

The product of its digits is 16800, while the sum is 32.

The square root of 245513741 is about 15668.8781027871. The cubic root of 245513741 is about 626.1695357859.

The spelling of 245513741 in words is "two hundred forty-five million, five hundred thirteen thousand, seven hundred forty-one".