42055253 has 2 divisors, whose sum is σ = 42055254. Its totient is φ = 42055252.

The previous prime is 42055231. The next prime is 42055261. The reversal of 42055253 is 35255024.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41692849 + 362404 = 6457^2 + 602^2 .

It is a cyclic number.

It is not a de Polignac number, because 42055253 - 2¹² = 42051157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42055213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21027626 + 21027627.

It is an arithmetic number, because the mean of its divisors is an integer number (21027627).

Almost surely, 2^42055253 is an apocalyptic number.

It is an amenable number.

42055253 is a deficient number, since it is larger than the sum of its proper divisors (1).

42055253 is an equidigital number, since it uses as much as digits as its factorization.

42055253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6000, while the sum is 26.

The square root of 42055253 is about 6485.0021588277. The cubic root of 42055253 is about 347.7550269807.

The spelling of 42055253 in words is "forty-two million, fifty-five thousand, two hundred fifty-three".