530400061252 has 6 divisors (see below), whose sum is σ = 928200107198. Its totient is φ = 265200030624.

The previous prime is 530400061241. The next prime is 530400061271. The reversal of 530400061252 is 252160004035.

It can be written as a sum of positive squares in only one way, i.e., 378638392896 + 151761668356 = 615336^2 + 389566^2 .

It is a super-2 number, since 2×530400061252² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 530400061252.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66300007653 + ... + 66300007660.

Almost surely, 2^530400061252 is an apocalyptic number.

It is an amenable number.

530400061252 is a deficient number, since it is larger than the sum of its proper divisors (397800045946).

530400061252 is a wasteful number, since it uses less digits than its factorization.

530400061252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132600015317 (or 132600015315 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 530400061252 its reverse (252160004035), we get a palindrome (782560065287).

The spelling of 530400061252 in words is "five hundred thirty billion, four hundred million, sixty-one thousand, two hundred fifty-two".