70351 has 2 divisors, whose sum is σ = 70352. Its totient is φ = 70350.

The previous prime is 70327. The next prime is 70373. The reversal of 70351 is 15307.

It is a strong prime.

It is an emirp because it is prime and its reverse (15307) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70351 - 2⁷ = 70223 is a prime.

70351 is a lucky number.

It is a plaindrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35175 + 35176.

It is an arithmetic number, because the mean of its divisors is an integer number (35176).

2⁷⁰³⁵¹ is an apocalyptic number.

70351 is a deficient number, since it is larger than the sum of its proper divisors (1).

70351 is an equidigital number, since it uses as much as digits as its factorization.

70351 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 105, while the sum is 16.

The square root of 70351 is about 265.2376293063. The cubic root of 70351 is about 41.2816225225.

Adding to 70351 its reverse (15307), we get a palindrome (85658).

It can be divided in two parts, 703 and 51, that multiplied together give a palindrome (35853).

The spelling of 70351 in words is "seventy thousand, three hundred fifty-one".