32531461 has 2 divisors, whose sum is σ = 32531462. Its totient is φ = 32531460.

The previous prime is 32531459. The next prime is 32531467. The reversal of 32531461 is 16413523.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20930625 + 11600836 = 4575^2 + 3406^2 .

It is a cyclic number.

It is not a de Polignac number, because 32531461 - 2¹ = 32531459 is a prime.

Together with 32531459, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32531467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16265730 + 16265731.

It is an arithmetic number, because the mean of its divisors is an integer number (16265731).

Almost surely, 2^32531461 is an apocalyptic number.

It is an amenable number.

32531461 is a deficient number, since it is larger than the sum of its proper divisors (1).

32531461 is an equidigital number, since it uses as much as digits as its factorization.

32531461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2160, while the sum is 25.

The square root of 32531461 is about 5703.6357702785. The cubic root of 32531461 is about 319.2281560758.

Adding to 32531461 its reverse (16413523), we get a palindrome (48944984).

The spelling of 32531461 in words is "thirty-two million, five hundred thirty-one thousand, four hundred sixty-one".