421251063325 has 6 divisors (see below), whose sum is σ = 522351318554. Its totient is φ = 337000850640.

The previous prime is 421251063281. The next prime is 421251063341. The reversal of 421251063325 is 523360152124.

It can be written as a sum of positive squares in 3 ways, for example, as 737881 + 421250325444 = 859^2 + 649038^2 .

It is not a de Polignac number, because 421251063325 - 2¹³ = 421251055133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8425021242 + ... + 8425021291.

Almost surely, 2^421251063325 is an apocalyptic number.

It is an amenable number.

421251063325 is a deficient number, since it is larger than the sum of its proper divisors (101100255229).

421251063325 is a wasteful number, since it uses less digits than its factorization.

421251063325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16850042543 (or 16850042538 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 34.

The spelling of 421251063325 in words is "four hundred twenty-one billion, two hundred fifty-one million, sixty-three thousand, three hundred twenty-five".