32021511425 has 6 divisors (see below), whose sum is σ = 39706674198. Its totient is φ = 25617209120.

The previous prime is 32021511397. The next prime is 32021511461. The reversal of 32021511425 is 52411512023.

It can be written as a sum of positive squares in 3 ways, for example, as 92467456 + 31929043969 = 9616^2 + 178687^2 .

It is not a de Polignac number, because 32021511425 - 2²⁰ = 32020462849 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 32021511394 and 32021511403.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 640430204 + ... + 640430253.

It is an arithmetic number, because the mean of its divisors is an integer number (6617779033).

Almost surely, 2^32021511425 is an apocalyptic number.

It is an amenable number.

32021511425 is a deficient number, since it is larger than the sum of its proper divisors (7685162773).

32021511425 is a wasteful number, since it uses less digits than its factorization.

32021511425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1280860467 (or 1280860462 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The spelling of 32021511425 in words is "thirty-two billion, twenty-one million, five hundred eleven thousand, four hundred twenty-five".