372632521 has 2 divisors, whose sum is σ = 372632522. Its totient is φ = 372632520.

The previous prime is 372632501. The next prime is 372632527. The reversal of 372632521 is 125236273.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 203918400 + 168714121 = 14280^2 + 12989^2 .

It is a cyclic number.

It is not a de Polignac number, because 372632521 - 2⁵ = 372632489 is a prime.

It is not a weakly prime, because it can be changed into another prime (372632527) 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, 186316260 + 186316261.

It is an arithmetic number, because the mean of its divisors is an integer number (186316261).

Almost surely, 2^372632521 is an apocalyptic number.

It is an amenable number.

372632521 is a deficient number, since it is larger than the sum of its proper divisors (1).

372632521 is an equidigital number, since it uses as much as digits as its factorization.

372632521 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15120, while the sum is 31.

The square root of 372632521 is about 19303.6919007738. The cubic root of 372632521 is about 719.6040267395.

Adding to 372632521 its reverse (125236273), we get a palindrome (497868794).

The spelling of 372632521 in words is "three hundred seventy-two million, six hundred thirty-two thousand, five hundred twenty-one".