70204501 has 2 divisors, whose sum is σ = 70204502. Its totient is φ = 70204500.

The previous prime is 70204499. The next prime is 70204523. The reversal of 70204501 is 10540207.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35700625 + 34503876 = 5975^2 + 5874^2 .

It is an emirp because it is prime and its reverse (10540207) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70204501 - 2¹ = 70204499 is a prime.

Together with 70204499, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70204201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35102250 + 35102251.

It is an arithmetic number, because the mean of its divisors is an integer number (35102251).

Almost surely, 2^70204501 is an apocalyptic number.

It is an amenable number.

70204501 is a deficient number, since it is larger than the sum of its proper divisors (1).

70204501 is an equidigital number, since it uses as much as digits as its factorization.

70204501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 70204501 is about 8378.8126247100. The cubic root of 70204501 is about 412.5294764366.

Adding to 70204501 its reverse (10540207), we get a palindrome (80744708).

The spelling of 70204501 in words is "seventy million, two hundred four thousand, five hundred one".