42502253 has 2 divisors, whose sum is σ = 42502254. Its totient is φ = 42502252.

The previous prime is 42502223. The next prime is 42502283. The reversal of 42502253 is 35220524.

It is a balanced prime because it is at equal distance from previous prime (42502223) and next prime (42502283).

It can be written as a sum of positive squares in only one way, i.e., 27741289 + 14760964 = 5267^2 + 3842^2 .

It is a cyclic number.

It is not a de Polignac number, because 42502253 - 2⁸ = 42501997 is a prime.

It is a super-3 number, since 3×42502253³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42502223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21251126 + 21251127.

It is an arithmetic number, because the mean of its divisors is an integer number (21251127).

Almost surely, 2^42502253 is an apocalyptic number.

It is an amenable number.

42502253 is a deficient number, since it is larger than the sum of its proper divisors (1).

42502253 is an equidigital number, since it uses as much as digits as its factorization.

42502253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 42502253 is about 6519.3752001246. The cubic root of 42502253 is about 348.9827688583.

Adding to 42502253 its reverse (35220524), we get a palindrome (77722777).

The spelling of 42502253 in words is "forty-two million, five hundred two thousand, two hundred fifty-three".