70650539 has 2 divisors, whose sum is σ = 70650540. Its totient is φ = 70650538.

The previous prime is 70650511. The next prime is 70650563. The reversal of 70650539 is 93505607.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70650539 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 70650499 and 70650508.

It is not a weakly prime, because it can be changed into another prime (70650509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35325269 + 35325270.

It is an arithmetic number, because the mean of its divisors is an integer number (35325270).

Almost surely, 2^70650539 is an apocalyptic number.

70650539 is a deficient number, since it is larger than the sum of its proper divisors (1).

70650539 is an equidigital number, since it uses as much as digits as its factorization.

70650539 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28350, while the sum is 35.

The square root of 70650539 is about 8405.3874985036. The cubic root of 70650539 is about 413.4012890494.

The spelling of 70650539 in words is "seventy million, six hundred fifty thousand, five hundred thirty-nine".