4258521052 has 6 divisors (see below), whose sum is σ = 7452411848. Its totient is φ = 2129260524.

The previous prime is 4258521049. The next prime is 4258521067. The reversal of 4258521052 is 2501258524.

It is a junction number, because it is equal to n+sod(n) for n = 4258520999 and 4258521017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 532315128 + ... + 532315135.

Almost surely, 2^4258521052 is an apocalyptic number.

It is an amenable number.

4258521052 is a deficient number, since it is larger than the sum of its proper divisors (3193890796).

4258521052 is a wasteful number, since it uses less digits than its factorization.

4258521052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1064630267 (or 1064630265 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 34.

The square root of 4258521052 is about 65257.3448126722. The cubic root of 4258521052 is about 1620.8877230816.

Adding to 4258521052 its reverse (2501258524), we get a palindrome (6759779576).

The spelling of 4258521052 in words is "four billion, two hundred fifty-eight million, five hundred twenty-one thousand, fifty-two".