4245132530 has 32 divisors (see below), whose sum is σ = 7719220080. Its totient is φ = 1680756480.

The previous prime is 4245132511. The next prime is 4245132533. The reversal of 4245132530 is 352315424.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 1345202329 + 2899930201 = 36677^2 + 53851^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4245132493 and 4245132502.

It is not an unprimeable number, because it can be changed into a prime (4245132533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1896572 + ... + 1898808.

Almost surely, 2^4245132530 is an apocalyptic number.

4245132530 is a deficient number, since it is larger than the sum of its proper divisors (3474087550).

4245132530 is a wasteful number, since it uses less digits than its factorization.

4245132530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4094.

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 4245132530 is about 65154.6815662543. The cubic root of 4245132530 is about 1619.1872835019.

Adding to 4245132530 its reverse (352315424), we get a palindrome (4597447954).

The spelling of 4245132530 in words is "four billion, two hundred forty-five million, one hundred thirty-two thousand, five hundred thirty".