70011451 has 2 divisors, whose sum is σ = 70011452. Its totient is φ = 70011450.

The previous prime is 70011443. The next prime is 70011497. The reversal of 70011451 is 15411007.

It is a weak prime.

It is an emirp because it is prime and its reverse (15411007) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70011451 - 2³ = 70011443 is a prime.

It is a super-2 number, since 2×70011451² = 9803206542250802, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (70011401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35005725 + 35005726.

It is an arithmetic number, because the mean of its divisors is an integer number (35005726).

Almost surely, 2^70011451 is an apocalyptic number.

70011451 is a deficient number, since it is larger than the sum of its proper divisors (1).

70011451 is an equidigital number, since it uses as much as digits as its factorization.

70011451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 140, while the sum is 19.

The square root of 70011451 is about 8367.2845654967. The cubic root of 70011451 is about 412.1510015355.

Adding to 70011451 its reverse (15411007), we get a palindrome (85422458).

The spelling of 70011451 in words is "seventy million, eleven thousand, four hundred fifty-one".