7522412142257 has 2 divisors, whose sum is σ = 7522412142258. Its totient is φ = 7522412142256.

The previous prime is 7522412142253. The next prime is 7522412142269.

7522412142257 is nontrivially palindromic in base 10.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7296486842401 + 225925299856 = 2701201^2 + 475316^2 .

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 7522412142257 - 2² = 7522412142253 is a prime.

It is not a weakly prime, because it can be changed into another prime (7522412142253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3761206071128 + 3761206071129.

It is an arithmetic number, because the mean of its divisors is an integer number (3761206071129).

Almost surely, 2^{7522412142257} is an apocalyptic number.

It is an amenable number.

7522412142257 is a deficient number, since it is larger than the sum of its proper divisors (1).

7522412142257 is an equidigital number, since it uses as much as digits as its factorization.

7522412142257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 627200, while the sum is 44.

The spelling of 7522412142257 in words is "seven trillion, five hundred twenty-two billion, four hundred twelve million, one hundred forty-two thousand, two hundred fifty-seven".