1032520421 has 2 divisors, whose sum is σ = 1032520422. Its totient is φ = 1032520420.

The previous prime is 1032520387. The next prime is 1032520427. The reversal of 1032520421 is 1240252301.

1032520421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 991368196 + 41152225 = 31486^2 + 6415^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1032520421 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1032520393 and 1032520402.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1032520427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 516260210 + 516260211.

It is an arithmetic number, because the mean of its divisors is an integer number (516260211).

Almost surely, 2^1032520421 is an apocalyptic number.

It is an amenable number.

1032520421 is a deficient number, since it is larger than the sum of its proper divisors (1).

1032520421 is an equidigital number, since it uses as much as digits as its factorization.

1032520421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 1032520421 is about 32132.8557865621. The cubic root of 1032520421 is about 1010.7247097509.

Adding to 1032520421 its reverse (1240252301), we get a palindrome (2272772722).

The spelling of 1032520421 in words is "one billion, thirty-two million, five hundred twenty thousand, four hundred twenty-one".