325997629 has 2 divisors, whose sum is σ = 325997630. Its totient is φ = 325997628.

The previous prime is 325997591. The next prime is 325997641. The reversal of 325997629 is 926799523.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 174953529 + 151044100 = 13227^2 + 12290^2 .

It is a cyclic number.

It is not a de Polignac number, because 325997629 - 2¹¹ = 325995581 is a prime.

It is a super-2 number, since 2×325997629² = 212548908227243282, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (325997129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162998814 + 162998815.

It is an arithmetic number, because the mean of its divisors is an integer number (162998815).

Almost surely, 2^325997629 is an apocalyptic number.

It is an amenable number.

325997629 is a deficient number, since it is larger than the sum of its proper divisors (1).

325997629 is an equidigital number, since it uses as much as digits as its factorization.

325997629 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1837080, while the sum is 52.

The square root of 325997629 is about 18055.4044263761. The cubic root of 325997629 is about 688.2372065219.

The spelling of 325997629 in words is "three hundred twenty-five million, nine hundred ninety-seven thousand, six hundred twenty-nine".