245541004 has 12 divisors (see below), whose sum is σ = 435749328. Its totient is φ = 121041200.

The previous prime is 245540993. The next prime is 245541011. The reversal of 245541004 is 400145542.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 245541004.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 432007 + ... + 432574.

It is an arithmetic number, because the mean of its divisors is an integer number (36312444).

Almost surely, 2^245541004 is an apocalyptic number.

It is an amenable number.

245541004 is a deficient number, since it is larger than the sum of its proper divisors (190208324).

245541004 is a wasteful number, since it uses less digits than its factorization.

245541004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 864656 (or 864654 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 245541004 is about 15669.7480515802. The cubic root of 245541004 is about 626.1927125311.

Adding to 245541004 its reverse (400145542), we get a palindrome (645686546).

The spelling of 245541004 in words is "two hundred forty-five million, five hundred forty-one thousand, four".