32115481 has 2 divisors, whose sum is σ = 32115482. Its totient is φ = 32115480.

The previous prime is 32115469. The next prime is 32115493. The reversal of 32115481 is 18451123.

It is a balanced prime because it is at equal distance from previous prime (32115469) and next prime (32115493).

It can be written as a sum of positive squares in only one way, i.e., 27667600 + 4447881 = 5260^2 + 2109^2 .

It is a cyclic number.

It is not a de Polignac number, because 32115481 - 2¹⁷ = 31984409 is a prime.

It is a super-2 number, since 2×32115481² = 2062808239722722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (32113481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16057740 + 16057741.

It is an arithmetic number, because the mean of its divisors is an integer number (16057741).

Almost surely, 2^32115481 is an apocalyptic number.

It is an amenable number.

32115481 is a deficient number, since it is larger than the sum of its proper divisors (1).

32115481 is an equidigital number, since it uses as much as digits as its factorization.

32115481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 960, while the sum is 25.

The square root of 32115481 is about 5667.0522319809. The cubic root of 32115481 is about 317.8616574515.

The spelling of 32115481 in words is "thirty-two million, one hundred fifteen thousand, four hundred eighty-one".