245124041 has 4 divisors (see below), whose sum is σ = 255781632. Its totient is φ = 234466452.

The previous prime is 245124029. The next prime is 245124043. The reversal of 245124041 is 140421542.

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-245124041 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 10657567 = 245124041 / (2 + 4 + 5 + 1 + 2 + 4 + 0 + 4 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 245123998 and 245124016.

It is not an unprimeable number, because it can be changed into a prime (245124043) 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, 5328761 + ... + 5328806.

It is an arithmetic number, because the mean of its divisors is an integer number (63945408).

Almost surely, 2^245124041 is an apocalyptic number.

It is an amenable number.

245124041 is a deficient number, since it is larger than the sum of its proper divisors (10657591).

245124041 is a wasteful number, since it uses less digits than its factorization.

245124041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10657590.

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 245124041 is about 15656.4376855018. The cubic root of 245124041 is about 625.8380574067.

Adding to 245124041 its reverse (140421542), we get a palindrome (385545583).

The spelling of 245124041 in words is "two hundred forty-five million, one hundred twenty-four thousand, forty-one".