397332530053 has 2 divisors, whose sum is σ = 397332530054. Its totient is φ = 397332530052.

The previous prime is 397332530047. The next prime is 397332530057. The reversal of 397332530053 is 350035233793.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 305960540769 + 91371989284 = 553137^2 + 302278^2 .

It is a cyclic number.

It is not a de Polignac number, because 397332530053 - 2²¹ = 397330432901 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 397332529991 and 397332530009.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (397332530057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 198666265026 + 198666265027.

It is an arithmetic number, because the mean of its divisors is an integer number (198666265027).

Almost surely, 2^397332530053 is an apocalyptic number.

It is an amenable number.

397332530053 is a deficient number, since it is larger than the sum of its proper divisors (1).

397332530053 is an equidigital number, since it uses as much as digits as its factorization.

397332530053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 765450, while the sum is 43.

The spelling of 397332530053 in words is "three hundred ninety-seven billion, three hundred thirty-two million, five hundred thirty thousand, fifty-three".