16149253 has 2 divisors, whose sum is σ = 16149254. Its totient is φ = 16149252.

The previous prime is 16149251. The next prime is 16149257. The reversal of 16149253 is 35294161.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15737089 + 412164 = 3967^2 + 642^2 .

It is a cyclic number.

It is not a de Polignac number, because 16149253 - 2¹ = 16149251 is a prime.

Together with 16149251, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16149251) 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, 8074626 + 8074627.

It is an arithmetic number, because the mean of its divisors is an integer number (8074627).

Almost surely, 2^16149253 is an apocalyptic number.

It is an amenable number.

16149253 is a deficient number, since it is larger than the sum of its proper divisors (1).

16149253 is an equidigital number, since it uses as much as digits as its factorization.

16149253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6480, while the sum is 31.

The square root of 16149253 is about 4018.6133180489. The cubic root of 16149253 is about 252.7653153440.

The spelling of 16149253 in words is "sixteen million, one hundred forty-nine thousand, two hundred fifty-three".