245504404 has 6 divisors (see below), whose sum is σ = 429632714. Its totient is φ = 122752200.

The previous prime is 245504393. The next prime is 245504431. The reversal of 245504404 is 404405542.

It can be written as a sum of positive squares in only one way, i.e., 133356304 + 112148100 = 11548^2 + 10590^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30688047 + ... + 30688054.

Almost surely, 2^245504404 is an apocalyptic number.

It is an amenable number.

245504404 is a deficient number, since it is larger than the sum of its proper divisors (184128310).

245504404 is a wasteful number, since it uses less digits than its factorization.

245504404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61376105 (or 61376103 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 28.

The square root of 245504404 is about 15668.5801526494. The cubic root of 245504404 is about 626.1615978472.

Adding to 245504404 its reverse (404405542), we get a palindrome (649909946).

The spelling of 245504404 in words is "two hundred forty-five million, five hundred four thousand, four hundred four".