1030521450 has 72 divisors (see below), whose sum is σ = 2972970432. Its totient is φ = 235546080.

The previous prime is 1030521433. The next prime is 1030521451. The reversal of 1030521450 is 541250301.

1030521450 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

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

It is not an unprimeable number, because it can be changed into a prime (1030521451) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 62754 + ... + 77453.

It is an arithmetic number, because the mean of its divisors is an integer number (41291256).

Almost surely, 2^1030521450 is an apocalyptic number.

1030521450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1030521450 is an abundant number, since it is smaller than the sum of its proper divisors (1942448982).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1030521450 is a wasteful number, since it uses less digits than its factorization.

1030521450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140236 (or 140224 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 1030521450 is about 32101.7359343697. The cubic root of 1030521450 is about 1010.0720302842.

Adding to 1030521450 its reverse (541250301), we get a palindrome (1571771751).

The spelling of 1030521450 in words is "one billion, thirty million, five hundred twenty-one thousand, four hundred fifty".