70451 has 2 divisors, whose sum is σ = 70452.
Its totient is φ = 70450.
The previous prime is 70439. The next prime is 70457. The reversal of 70451 is 15407.
It is a happy number.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 70451 - 210 = 69427 is a prime.
It is a Chen prime.
It is a plaindrome in base 16.
It is a zygodrome in base 16.
It is not a weakly prime, because it can be changed into another prime (70457) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35225 + 35226.
It is an arithmetic number, because the mean of its divisors is an integer number (35226).
270451 is an apocalyptic number.
70451 is a deficient number, since it is larger than the sum of its proper divisors (1).
70451 is an equidigital number, since it uses as much as digits as its factorization.
70451 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 17.
The square root of 70451 is about 265.4260725701.
The cubic root of 70451 is about 41.3011730990.
Adding to 70451 its reverse (15407), we get a palindrome (85858).
The spelling of 70451 in words is "seventy thousand, four hundred fifty-one".