325737649 has 2 divisors, whose sum is σ = 325737650. Its totient is φ = 325737648.

The previous prime is 325737623. The next prime is 325737821. The reversal of 325737649 is 946737523.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 275327649 + 50410000 = 16593^2 + 7100^2 .

It is a cyclic number.

It is not a de Polignac number, because 325737649 - 2⁵ = 325737617 is a prime.

It is a super-2 number, since 2×325737649² = 212210031952094402, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 325737599 and 325737608.

It is not a weakly prime, because it can be changed into another prime (325737149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162868824 + 162868825.

It is an arithmetic number, because the mean of its divisors is an integer number (162868825).

Almost surely, 2^325737649 is an apocalyptic number.

It is an amenable number.

325737649 is a deficient number, since it is larger than the sum of its proper divisors (1).

325737649 is an equidigital number, since it uses as much as digits as its factorization.

325737649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 952560, while the sum is 46.

The square root of 325737649 is about 18048.2034840036. The cubic root of 325737649 is about 688.0542036628.

The spelling of 325737649 in words is "three hundred twenty-five million, seven hundred thirty-seven thousand, six hundred forty-nine".