251467262201 has 2 divisors, whose sum is σ = 251467262202. Its totient is φ = 251467262200.

The previous prime is 251467262191. The next prime is 251467262213. The reversal of 251467262201 is 102262764152.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 208296396025 + 43170866176 = 456395^2 + 207776^2 .

It is a cyclic number.

It is not a de Polignac number, because 251467262201 - 2¹⁴ = 251467245817 is a prime.

It is not a weakly prime, because it can be changed into another prime (251467262261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125733631100 + 125733631101.

It is an arithmetic number, because the mean of its divisors is an integer number (125733631101).

Almost surely, 2^251467262201 is an apocalyptic number.

It is an amenable number.

251467262201 is a deficient number, since it is larger than the sum of its proper divisors (1).

251467262201 is an equidigital number, since it uses as much as digits as its factorization.

251467262201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80640, while the sum is 38.

The spelling of 251467262201 in words is "two hundred fifty-one billion, four hundred sixty-seven million, two hundred sixty-two thousand, two hundred one".