42253259 has 2 divisors, whose sum is σ = 42253260. Its totient is φ = 42253258.

The previous prime is 42253241. The next prime is 42253291. The reversal of 42253259 is 95235224.

It is an a-pointer prime, because the next prime (42253291) can be obtained adding 42253259 to its sum of digits (32).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42253259 - 2²⁴ = 25476043 is a prime.

It is a super-2 number, since 2×42253259² = 3570675792242162, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (42253759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21126629 + 21126630.

It is an arithmetic number, because the mean of its divisors is an integer number (21126630).

Almost surely, 2^42253259 is an apocalyptic number.

42253259 is a deficient number, since it is larger than the sum of its proper divisors (1).

42253259 is an equidigital number, since it uses as much as digits as its factorization.

42253259 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21600, while the sum is 32.

The square root of 42253259 is about 6500.2506874735. The cubic root of 42253259 is about 348.2999434328.

The spelling of 42253259 in words is "forty-two million, two hundred fifty-three thousand, two hundred fifty-nine".