245532004 has 6 divisors (see below), whose sum is σ = 429681014. Its totient is φ = 122766000.

The previous prime is 245531999. The next prime is 245532017. The reversal of 245532004 is 400235542.

It can be written as a sum of positive squares in only one way, i.e., 165071104 + 80460900 = 12848^2 + 8970^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 245532004.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30691497 + ... + 30691504.

Almost surely, 2^245532004 is an apocalyptic number.

It is an amenable number.

245532004 is a deficient number, since it is larger than the sum of its proper divisors (184149010).

245532004 is a wasteful number, since it uses less digits than its factorization.

245532004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61383005 (or 61383003 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 245532004 is about 15669.4608713893. The cubic root of 245532004 is about 626.1850616660.

Adding to 245532004 its reverse (400235542), we get a palindrome (645767546).

The spelling of 245532004 in words is "two hundred forty-five million, five hundred thirty-two thousand, four".