1325253223577 has 2 divisors, whose sum is σ = 1325253223578. Its totient is φ = 1325253223576.

The previous prime is 1325253223517. The next prime is 1325253223589. The reversal of 1325253223577 is 7753223525231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 813061086601 + 512192136976 = 901699^2 + 715676^2 .

It is a cyclic number.

It is not a de Polignac number, because 1325253223577 - 2¹² = 1325253219481 is a prime.

It is a super-2 number, since 2×1325253223577² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1325253223517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 662626611788 + 662626611789.

It is an arithmetic number, because the mean of its divisors is an integer number (662626611789).

Almost surely, 2^{1325253223577} is an apocalyptic number.

It is an amenable number.

1325253223577 is a deficient number, since it is larger than the sum of its proper divisors (1).

1325253223577 is an equidigital number, since it uses as much as digits as its factorization.

1325253223577 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2646000, while the sum is 47.

The spelling of 1325253223577 in words is "one trillion, three hundred twenty-five billion, two hundred fifty-three million, two hundred twenty-three thousand, five hundred seventy-seven".