16431053 has 2 divisors, whose sum is σ = 16431054. Its totient is φ = 16431052.

The previous prime is 16431043. The next prime is 16431097. The reversal of 16431053 is 35013461.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16024009 + 407044 = 4003^2 + 638^2 .

It is a cyclic number.

It is not a de Polignac number, because 16431053 - 2⁶ = 16430989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16431043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8215526 + 8215527.

It is an arithmetic number, because the mean of its divisors is an integer number (8215527).

Almost surely, 2^16431053 is an apocalyptic number.

It is an amenable number.

16431053 is a deficient number, since it is larger than the sum of its proper divisors (1).

16431053 is an equidigital number, since it uses as much as digits as its factorization.

16431053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 16431053 is about 4053.5235289807. The cubic root of 16431053 is about 254.2270738919.

The spelling of 16431053 in words is "sixteen million, four hundred thirty-one thousand, fifty-three".