34921603 has 2 divisors, whose sum is σ = 34921604. Its totient is φ = 34921602.

The previous prime is 34921591. The next prime is 34921631. The reversal of 34921603 is 30612943.

It is an a-pointer prime, because the next prime (34921631) can be obtained adding 34921603 to its sum of digits (28).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 34921603 - 2¹⁷ = 34790531 is a prime.

It is not a weakly prime, because it can be changed into another prime (34921643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17460801 + 17460802.

It is an arithmetic number, because the mean of its divisors is an integer number (17460802).

Almost surely, 2^34921603 is an apocalyptic number.

34921603 is a deficient number, since it is larger than the sum of its proper divisors (1).

34921603 is an equidigital number, since it uses as much as digits as its factorization.

34921603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 34921603 is about 5909.4503128464. The cubic root of 34921603 is about 326.8622181681.

It can be divided in two parts, 349 and 21603, that added together give a cube (21952 = 28³).

The spelling of 34921603 in words is "thirty-four million, nine hundred twenty-one thousand, six hundred three".