42649303 has 2 divisors, whose sum is σ = 42649304. Its totient is φ = 42649302.

The previous prime is 42649297. The next prime is 42649331. The reversal of 42649303 is 30394624.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42649303 - 2⁹ = 42648791 is a prime.

It is a super-3 number, since 3×42649303³ (a number of 24 digits) contains 333 as substring.

It is equal to p_2584642 and since 42649303 and 2584642 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42649363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21324651 + 21324652.

It is an arithmetic number, because the mean of its divisors is an integer number (21324652).

Almost surely, 2^42649303 is an apocalyptic number.

42649303 is a deficient number, since it is larger than the sum of its proper divisors (1).

42649303 is an equidigital number, since it uses as much as digits as its factorization.

42649303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 31.

The square root of 42649303 is about 6530.6433833122. The cubic root of 42649303 is about 349.3847777129.

It can be divided in two parts, 426 and 49303, that added together give a square (49729 = 223²).

The spelling of 42649303 in words is "forty-two million, six hundred forty-nine thousand, three hundred three".