520122252253 has 16 divisors (see below), whose sum is σ = 555838536960. Its totient is φ = 485952232896.

The previous prime is 520122252203. The next prime is 520122252257. The reversal of 520122252253 is 352252221025.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-520122252253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520122252257) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2729463 + ... + 2913796.

It is an arithmetic number, because the mean of its divisors is an integer number (34739908560).

Almost surely, 2^520122252253 is an apocalyptic number.

520122252253 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

It is an amenable number.

520122252253 is a deficient number, since it is larger than the sum of its proper divisors (35716284707).

520122252253 is a wasteful number, since it uses less digits than its factorization.

520122252253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5643396.

The product of its (nonzero) digits is 24000, while the sum is 31.

Adding to 520122252253 its reverse (352252221025), we get a palindrome (872374473278).

The spelling of 520122252253 in words is "five hundred twenty billion, one hundred twenty-two million, two hundred fifty-two thousand, two hundred fifty-three".