5251503401 has 4 divisors (see below), whose sum is σ = 5251678404. Its totient is φ = 5251328400.

The previous prime is 5251503377. The next prime is 5251503421. The reversal of 5251503401 is 1043051525.

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 555827776 + 4695675625 = 23576^2 + 68525^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5251503401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5251503421) 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, 29810 + ... + 106731.

It is an arithmetic number, because the mean of its divisors is an integer number (1312919601).

Almost surely, 2^5251503401 is an apocalyptic number.

It is an amenable number.

5251503401 is a deficient number, since it is larger than the sum of its proper divisors (175003).

5251503401 is a wasteful number, since it uses less digits than its factorization.

5251503401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175002.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 5251503401 is about 72467.2574408608. The cubic root of 5251503401 is about 1738.1792069887.

Adding to 5251503401 its reverse (1043051525), we get a palindrome (6294554926).

The spelling of 5251503401 in words is "five billion, two hundred fifty-one million, five hundred three thousand, four hundred one".