70871503 has 2 divisors, whose sum is σ = 70871504. Its totient is φ = 70871502.

The previous prime is 70871497. The next prime is 70871509. The reversal of 70871503 is 30517807.

It is a balanced prime because it is at equal distance from previous prime (70871497) and next prime (70871509).

It is an emirp because it is prime and its reverse (30517807) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70871503 - 2¹³ = 70863311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70871509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35435751 + 35435752.

It is an arithmetic number, because the mean of its divisors is an integer number (35435752).

Almost surely, 2^70871503 is an apocalyptic number.

70871503 is a deficient number, since it is larger than the sum of its proper divisors (1).

70871503 is an equidigital number, since it uses as much as digits as its factorization.

70871503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5880, while the sum is 31.

The square root of 70871503 is about 8418.5214259987. The cubic root of 70871503 is about 413.8318200258.

The spelling of 70871503 in words is "seventy million, eight hundred seventy-one thousand, five hundred three".