42888253 has 2 divisors, whose sum is σ = 42888254. Its totient is φ = 42888252.

The previous prime is 42888239. The next prime is 42888269. The reversal of 42888253 is 35288824.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42549529 + 338724 = 6523^2 + 582^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42888253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42888203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21444126 + 21444127.

It is an arithmetic number, because the mean of its divisors is an integer number (21444127).

Almost surely, 2^42888253 is an apocalyptic number.

It is an amenable number.

42888253 is a deficient number, since it is larger than the sum of its proper divisors (1).

42888253 is an equidigital number, since it uses as much as digits as its factorization.

42888253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 122880, while the sum is 40.

The square root of 42888253 is about 6548.9123524445. The cubic root of 42888253 is about 350.0360588699.

The spelling of 42888253 in words is "forty-two million, eight hundred eighty-eight thousand, two hundred fifty-three".