4245253613 has 4 divisors (see below), whose sum is σ = 4246671228. Its totient is φ = 4243836000.

The previous prime is 4245253603. The next prime is 4245253637. The reversal of 4245253613 is 3163525424.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1440809764 + 2804443849 = 37958^2 + 52957^2 .

It is a cyclic number.

It is not a de Polignac number, because 4245253613 - 2¹⁰ = 4245252589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4245253603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 704306 + ... + 710307.

It is an arithmetic number, because the mean of its divisors is an integer number (1061667807).

Almost surely, 2^4245253613 is an apocalyptic number.

It is an amenable number.

4245253613 is a deficient number, since it is larger than the sum of its proper divisors (1417615).

4245253613 is a wasteful number, since it uses less digits than its factorization.

4245253613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1417614.

The product of its digits is 86400, while the sum is 35.

The square root of 4245253613 is about 65155.6107560968. The cubic root of 4245253613 is about 1619.2026779322.

The spelling of 4245253613 in words is "four billion, two hundred forty-five million, two hundred fifty-three thousand, six hundred thirteen".