32478151 has 2 divisors, whose sum is σ = 32478152. Its totient is φ = 32478150.

The previous prime is 32478107. The next prime is 32478157. The reversal of 32478151 is 15187423.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 32478151 - 2⁷ = 32478023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32478157) by changing a digit.

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 as a sum of consecutive naturals, namely, 16239075 + 16239076.

It is an arithmetic number, because the mean of its divisors is an integer number (16239076).

Almost surely, 2^32478151 is an apocalyptic number.

32478151 is a deficient number, since it is larger than the sum of its proper divisors (1).

32478151 is an equidigital number, since it uses as much as digits as its factorization.

32478151 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6720, while the sum is 31.

The square root of 32478151 is about 5698.9605192526. The cubic root of 32478151 is about 319.0536854055.

The spelling of 32478151 in words is "thirty-two million, four hundred seventy-eight thousand, one hundred fifty-one".