1325251251469 has 2 divisors, whose sum is σ = 1325251251470. Its totient is φ = 1325251251468.

The previous prime is 1325251251451. The next prime is 1325251251523. The reversal of 1325251251469 is 9641521525231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 856078310025 + 469172941444 = 925245^2 + 684962^2 .

It is a cyclic number.

It is not a de Polignac number, because 1325251251469 - 2⁵ = 1325251251437 is a prime.

It is a super-2 number, since 2×1325251251469² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1325251251869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 662625625734 + 662625625735.

It is an arithmetic number, because the mean of its divisors is an integer number (662625625735).

Almost surely, 2^{1325251251469} is an apocalyptic number.

It is an amenable number.

1325251251469 is a deficient number, since it is larger than the sum of its proper divisors (1).

1325251251469 is an equidigital number, since it uses as much as digits as its factorization.

1325251251469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 648000, while the sum is 46.

The spelling of 1325251251469 in words is "one trillion, three hundred twenty-five billion, two hundred fifty-one million, two hundred fifty-one thousand, four hundred sixty-nine".