16020253 has 2 divisors, whose sum is σ = 16020254. Its totient is φ = 16020252.

The previous prime is 16020241. The next prime is 16020271. The reversal of 16020253 is 35202061.

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., 15657849 + 362404 = 3957^2 + 602^2 .

It is a cyclic number.

It is not a de Polignac number, because 16020253 - 2²¹ = 13923101 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16020253.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16020203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8010126 + 8010127.

It is an arithmetic number, because the mean of its divisors is an integer number (8010127).

Almost surely, 2^16020253 is an apocalyptic number.

It is an amenable number.

16020253 is a deficient number, since it is larger than the sum of its proper divisors (1).

16020253 is an equidigital number, since it uses as much as digits as its factorization.

16020253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 16020253 is about 4002.5308243660. The cubic root of 16020253 is about 252.0904867370.

The spelling of 16020253 in words is "sixteen million, twenty thousand, two hundred fifty-three".