42502463 has 2 divisors, whose sum is σ = 42502464. Its totient is φ = 42502462.

The previous prime is 42502451. The next prime is 42502489. The reversal of 42502463 is 36420524.

It is an a-pointer prime, because the next prime (42502489) can be obtained adding 42502463 to its sum of digits (26).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42502463 is a prime.

It is a super-2 number, since 2×42502463² = 3612918722132738, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42202463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21251231 + 21251232.

It is an arithmetic number, because the mean of its divisors is an integer number (21251232).

Almost surely, 2^42502463 is an apocalyptic number.

42502463 is a deficient number, since it is larger than the sum of its proper divisors (1).

42502463 is an equidigital number, since it uses as much as digits as its factorization.

42502463 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 42502463 is about 6519.3913059426. The cubic root of 42502463 is about 348.9833436221.

Adding to 42502463 its reverse (36420524), we get a palindrome (78922987).

The spelling of 42502463 in words is "forty-two million, five hundred two thousand, four hundred sixty-three".