10251347521 has 2 divisors, whose sum is σ = 10251347522. Its totient is φ = 10251347520.

The previous prime is 10251347507. The next prime is 10251347537. The reversal of 10251347521 is 12574315201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5323307521 + 4928040000 = 72961^2 + 70200^2 .

It is a cyclic number.

It is not a de Polignac number, because 10251347521 - 2¹⁵ = 10251314753 is a prime.

It is not a weakly prime, because it can be changed into another prime (10251347501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5125673760 + 5125673761.

It is an arithmetic number, because the mean of its divisors is an integer number (5125673761).

Almost surely, 2^10251347521 is an apocalyptic number.

It is an amenable number.

10251347521 is a deficient number, since it is larger than the sum of its proper divisors (1).

10251347521 is an equidigital number, since it uses as much as digits as its factorization.

10251347521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8400, while the sum is 31.

The spelling of 10251347521 in words is "ten billion, two hundred fifty-one million, three hundred forty-seven thousand, five hundred twenty-one".