4251013 has 4 divisors (see below), whose sum is σ = 4578028. Its totient is φ = 3924000.

The previous prime is 4250993. The next prime is 4251019. The reversal of 4251013 is 3101524.

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 1760929 + 2490084 = 1327^2 + 1578^2 .

It is a cyclic number.

It is not a de Polignac number, because 4251013 - 2²¹ = 2153861 is a prime.

It is a super-2 number, since 2×4251013² = 36142223052338, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4251019) 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, 163488 + ... + 163513.

It is an arithmetic number, because the mean of its divisors is an integer number (1144507).

Almost surely, 2^4251013 is an apocalyptic number.

It is an amenable number.

4251013 is a deficient number, since it is larger than the sum of its proper divisors (327015).

4251013 is a wasteful number, since it uses less digits than its factorization.

4251013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327014.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 4251013 is about 2061.7984867586. The cubic root of 4251013 is about 161.9934585582.

Adding to 4251013 its reverse (3101524), we get a palindrome (7352537).

It can be divided in two parts, 425101 and 3, that added together give a square (425104 = 652²).

The spelling of 4251013 in words is "four million, two hundred fifty-one thousand, thirteen".