70024261 has 2 divisors, whose sum is σ = 70024262. Its totient is φ = 70024260.

The previous prime is 70024243. The next prime is 70024267. The reversal of 70024261 is 16242007.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38316100 + 31708161 = 6190^2 + 5631^2 .

It is an emirp because it is prime and its reverse (16242007) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70024261 is a prime.

It is a super-2 number, since 2×70024261² = 9806794257192242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70024267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35012130 + 35012131.

It is an arithmetic number, because the mean of its divisors is an integer number (35012131).

Almost surely, 2^70024261 is an apocalyptic number.

It is an amenable number.

70024261 is a deficient number, since it is larger than the sum of its proper divisors (1).

70024261 is an equidigital number, since it uses as much as digits as its factorization.

70024261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 70024261 is about 8368.0500118008. The cubic root of 70024261 is about 412.1761371016.

Adding to 70024261 its reverse (16242007), we get a palindrome (86266268).

The spelling of 70024261 in words is "seventy million, twenty-four thousand, two hundred sixty-one".