71953103 has 2 divisors, whose sum is σ = 71953104. Its totient is φ = 71953102.

The previous prime is 71953097. The next prime is 71953117. The reversal of 71953103 is 30135917.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 71953103 - 2⁴ = 71953087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71953153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35976551 + 35976552.

It is an arithmetic number, because the mean of its divisors is an integer number (35976552).

Almost surely, 2^71953103 is an apocalyptic number.

71953103 is a deficient number, since it is larger than the sum of its proper divisors (1).

71953103 is an equidigital number, since it uses as much as digits as its factorization.

71953103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2835, while the sum is 29.

The square root of 71953103 is about 8482.5174918770. The cubic root of 71953103 is about 415.9264212046.

The spelling of 71953103 in words is "seventy-one million, nine hundred fifty-three thousand, one hundred three".