2505350404 has 6 divisors (see below), whose sum is σ = 4384363214. Its totient is φ = 1252675200.

The previous prime is 2505350389. The next prime is 2505350429. The reversal of 2505350404 is 4040535052.

It can be written as a sum of positive squares in only one way, i.e., 2157602500 + 347747904 = 46450^2 + 18648^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 313168797 + ... + 313168804.

Almost surely, 2^2505350404 is an apocalyptic number.

It is an amenable number.

2505350404 is a deficient number, since it is larger than the sum of its proper divisors (1879012810).

2505350404 is a wasteful number, since it uses less digits than its factorization.

2505350404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626337605 (or 626337603 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 28.

The square root of 2505350404 is about 50053.4754437691. The cubic root of 2505350404 is about 1358.1763337966.

Adding to 2505350404 its reverse (4040535052), we get a palindrome (6545885456).

It can be divided in two parts, 25053 and 50404, that added together give a palindrome (75457).

The spelling of 2505350404 in words is "two billion, five hundred five million, three hundred fifty thousand, four hundred four".