632521 has 2 divisors, whose sum is σ = 632522. Its totient is φ = 632520.

The previous prime is 632503. The next prime is 632557. The reversal of 632521 is 125236.

It is a happy number.

632521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 622521 + 10000 = 789^2 + 100^2 .

It is a cyclic number.

It is not a de Polignac number, because 632521 - 2⁷ = 632393 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a nialpdrome in base 15.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (632501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 316260 + 316261.

It is an arithmetic number, because the mean of its divisors is an integer number (316261).

2⁶³²⁵²¹ is an apocalyptic number.

It is an amenable number.

632521 is a deficient number, since it is larger than the sum of its proper divisors (1).

632521 is an equidigital number, since it uses as much as digits as its factorization.

632521 is an evil number, because the sum of its binary digits is even.

The product of its digits is 360, while the sum is 19.

The square root of 632521 is about 795.3118885066. The cubic root of 632521 is about 85.8403835811.

Adding to 632521 its reverse (125236), we get a palindrome (757757).

The spelling of 632521 in words is "six hundred thirty-two thousand, five hundred twenty-one".