670210531 has 2 divisors, whose sum is σ = 670210532. Its totient is φ = 670210530.

The previous prime is 670210517. The next prime is 670210577. The reversal of 670210531 is 135012076.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 670210531 - 2⁹ = 670210019 is a prime.

It is a super-2 number, since 2×670210531² = 898364311726603922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 670210496 and 670210505.

It is not a weakly prime, because it can be changed into another prime (670210831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335105265 + 335105266.

It is an arithmetic number, because the mean of its divisors is an integer number (335105266).

Almost surely, 2^670210531 is an apocalyptic number.

670210531 is a deficient number, since it is larger than the sum of its proper divisors (1).

670210531 is an equidigital number, since it uses as much as digits as its factorization.

670210531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 670210531 is about 25888.4246527285. The cubic root of 670210531 is about 875.1256553148.

The spelling of 670210531 in words is "six hundred seventy million, two hundred ten thousand, five hundred thirty-one".