16325402 has 4 divisors (see below), whose sum is σ = 24488106. Its totient is φ = 8162700.

The previous prime is 16325401. The next prime is 16325417. The reversal of 16325402 is 20452361.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20452361 = 179 ⋅114259.

It can be written as a sum of positive squares in only one way, i.e., 16313521 + 11881 = 4039^2 + 109^2 .

It is not an unprimeable number, because it can be changed into a prime (16325401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4081349 + ... + 4081352.

Almost surely, 2^16325402 is an apocalyptic number.

16325402 is a deficient number, since it is larger than the sum of its proper divisors (8162704).

16325402 is an equidigital number, since it uses as much as digits as its factorization.

16325402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8162703.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 16325402 is about 4040.4705171551. The cubic root of 16325402 is about 253.6810119266.

Adding to 16325402 its reverse (20452361), we get a palindrome (36777763).

The spelling of 16325402 in words is "sixteen million, three hundred twenty-five thousand, four hundred two".