70204529 has 2 divisors, whose sum is σ = 70204530. Its totient is φ = 70204528.

The previous prime is 70204523. The next prime is 70204559. The reversal of 70204529 is 92540207.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69639025 + 565504 = 8345^2 + 752^2 .

It is an emirp because it is prime and its reverse (92540207) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70204529 is a prime.

It is a super-2 number, since 2×70204529² = 9857351784223682, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (70204523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35102264 + 35102265.

It is an arithmetic number, because the mean of its divisors is an integer number (35102265).

Almost surely, 2^70204529 is an apocalyptic number.

It is an amenable number.

70204529 is a deficient number, since it is larger than the sum of its proper divisors (1).

70204529 is an equidigital number, since it uses as much as digits as its factorization.

70204529 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 70204529 is about 8378.8142955910. The cubic root of 70204529 is about 412.5295312803.

The spelling of 70204529 in words is "seventy million, two hundred four thousand, five hundred twenty-nine".