4251345401 has 4 divisors (see below), whose sum is σ = 4252879092. Its totient is φ = 4249811712.

The previous prime is 4251345353. The next prime is 4251345403. The reversal of 4251345401 is 1045431524.

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 1287087376 + 2964258025 = 35876^2 + 54445^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4251345401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4251345403) 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, 762680 + ... + 768233.

It is an arithmetic number, because the mean of its divisors is an integer number (1063219773).

Almost surely, 2^4251345401 is an apocalyptic number.

It is an amenable number.

4251345401 is a deficient number, since it is larger than the sum of its proper divisors (1533691).

4251345401 is a wasteful number, since it uses less digits than its factorization.

4251345401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1533690.

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 4251345401 is about 65202.3419901463. The cubic root of 4251345401 is about 1619.9768071922.

Adding to 4251345401 its reverse (1045431524), we get a palindrome (5296776925).

The spelling of 4251345401 in words is "four billion, two hundred fifty-one million, three hundred forty-five thousand, four hundred one".