32152305421 has 2 divisors, whose sum is σ = 32152305422. Its totient is φ = 32152305420.

The previous prime is 32152305413. The next prime is 32152305443. The reversal of 32152305421 is 12450325123.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31985534025 + 166771396 = 178845^2 + 12914^2 .

It is a cyclic number.

It is not a de Polignac number, because 32152305421 - 2³ = 32152305413 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 32152305421.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32152305401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16076152710 + 16076152711.

It is an arithmetic number, because the mean of its divisors is an integer number (16076152711).

Almost surely, 2^32152305421 is an apocalyptic number.

It is an amenable number.

32152305421 is a deficient number, since it is larger than the sum of its proper divisors (1).

32152305421 is an equidigital number, since it uses as much as digits as its factorization.

32152305421 is an evil number, because the sum of its binary digits is even.

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

The spelling of 32152305421 in words is "thirty-two billion, one hundred fifty-two million, three hundred five thousand, four hundred twenty-one".