421512525332 has 6 divisors (see below), whose sum is σ = 737646919338. Its totient is φ = 210756262664.

The previous prime is 421512525289. The next prime is 421512525439. The reversal of 421512525332 is 233525215124.

It can be written as a sum of positive squares in only one way, i.e., 416897496976 + 4615028356 = 645676^2 + 67934^2 .

It is a junction number, because it is equal to n+sod(n) for n = 421512525292 and 421512525301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52689065663 + ... + 52689065670.

It is an arithmetic number, because the mean of its divisors is an integer number (122941153223).

Almost surely, 2^421512525332 is an apocalyptic number.

It is an amenable number.

421512525332 is a deficient number, since it is larger than the sum of its proper divisors (316134394006).

421512525332 is a wasteful number, since it uses less digits than its factorization.

421512525332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105378131337 (or 105378131335 counting only the distinct ones).

The product of its digits is 72000, while the sum is 35.

The spelling of 421512525332 in words is "four hundred twenty-one billion, five hundred twelve million, five hundred twenty-five thousand, three hundred thirty-two".