251212053407233 has 2 divisors, whose sum is σ = 251212053407234. Its totient is φ = 251212053407232.

The previous prime is 251212053407219. The next prime is 251212053407411. The reversal of 251212053407233 is 332704350212152.

251212053407233 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 175147543486224 + 76064509921009 = 13234332^2 + 8721497^2 .

It is a cyclic number.

It is not a de Polignac number, because 251212053407233 - 2⁴⁵ = 216027681318401 is a prime.

It is not a weakly prime, because it can be changed into another prime (251212053405233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125606026703616 + 125606026703617.

It is an arithmetic number, because the mean of its divisors is an integer number (125606026703617).

Almost surely, 2^{251212053407233} is an apocalyptic number.

It is an amenable number.

251212053407233 is a deficient number, since it is larger than the sum of its proper divisors (1).

251212053407233 is an equidigital number, since it uses as much as digits as its factorization.

251212053407233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 302400, while the sum is 40.

The spelling of 251212053407233 in words is "two hundred fifty-one trillion, two hundred twelve billion, fifty-three million, four hundred seven thousand, two hundred thirty-three".