625043011062321 has 12 divisors (see below), whose sum is σ = 902848958733748. Its totient is φ = 416691162000864.

The previous prime is 625043011062307. The next prime is 625043011062343. The reversal of 625043011062321 is 123260110340526.

625043011062321 is a `hidden beast` number, since 6 + 2 + 5 + 0 + 4 + 3 + 0 + 1 + 1 + 0 + 623 + 21 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 449178811557921 + 175864199504400 = 21193839^2 + 13261380^2 .

It is not a de Polignac number, because 625043011062321 - 2¹⁰ = 625043011061297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (625043011062361) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 347278150 + ... + 349073343.

Almost surely, 2^{625043011062321} is an apocalyptic number.

It is an amenable number.

625043011062321 is a deficient number, since it is larger than the sum of its proper divisors (277805947671427).

625043011062321 is a wasteful number, since it uses less digits than its factorization.

625043011062321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 696451232 (or 696451229 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The spelling of 625043011062321 in words is "six hundred twenty-five trillion, forty-three billion, eleven million, sixty-two thousand, three hundred twenty-one".