5251001502401 has 2 divisors, whose sum is σ = 5251001502402. Its totient is φ = 5251001502400.

The previous prime is 5251001502391. The next prime is 5251001502419. The reversal of 5251001502401 is 1042051001525.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4282747470400 + 968254032001 = 2069480^2 + 983999^2 .

It is a cyclic number.

It is not a de Polignac number, because 5251001502401 - 2³⁰ = 5249927760577 is a prime.

It is not a weakly prime, because it can be changed into another prime (5251001502001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2625500751200 + 2625500751201.

It is an arithmetic number, because the mean of its divisors is an integer number (2625500751201).

Almost surely, 2^{5251001502401} is an apocalyptic number.

It is an amenable number.

5251001502401 is a deficient number, since it is larger than the sum of its proper divisors (1).

5251001502401 is an equidigital number, since it uses as much as digits as its factorization.

5251001502401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2000, while the sum is 26.

Adding to 5251001502401 its reverse (1042051001525), we get a palindrome (6293052503926).

The spelling of 5251001502401 in words is "five trillion, two hundred fifty-one billion, one million, five hundred two thousand, four hundred one".