4251531022052 has 6 divisors (see below), whose sum is σ = 7440179288598. Its totient is φ = 2125765511024.

The previous prime is 4251531022003. The next prime is 4251531022069. The reversal of 4251531022052 is 2502201351524.

It can be written as a sum of positive squares in only one way, i.e., 2225509010596 + 2026022011456 = 1491814^2 + 1423384^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 531441377753 + ... + 531441377760.

It is an arithmetic number, because the mean of its divisors is an integer number (1240029881433).

Almost surely, 2^{4251531022052} is an apocalyptic number.

It is an amenable number.

4251531022052 is a deficient number, since it is larger than the sum of its proper divisors (3188648266546).

4251531022052 is a wasteful number, since it uses less digits than its factorization.

4251531022052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1062882755517 (or 1062882755515 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 32.

Adding to 4251531022052 its reverse (2502201351524), we get a palindrome (6753732373576).

The spelling of 4251531022052 in words is "four trillion, two hundred fifty-one billion, five hundred thirty-one million, twenty-two thousand, fifty-two".