325788457 has 2 divisors, whose sum is σ = 325788458. Its totient is φ = 325788456.

The previous prime is 325788451. The next prime is 325788461. The reversal of 325788457 is 754887523.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 324576256 + 1212201 = 18016^2 + 1101^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-325788457 is a prime.

It is a super-2 number, since 2×325788457² = 212276237428881698, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 325788457.

It is not a weakly prime, because it can be changed into another prime (325788451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162894228 + 162894229.

It is an arithmetic number, because the mean of its divisors is an integer number (162894229).

Almost surely, 2^325788457 is an apocalyptic number.

It is an amenable number.

325788457 is a deficient number, since it is larger than the sum of its proper divisors (1).

325788457 is an equidigital number, since it uses as much as digits as its factorization.

325788457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1881600, while the sum is 49.

The square root of 325788457 is about 18049.6109930380. The cubic root of 325788457 is about 688.0899756413.

The spelling of 325788457 in words is "three hundred twenty-five million, seven hundred eighty-eight thousand, four hundred fifty-seven".