672251 has 2 divisors, whose sum is σ = 672252. Its totient is φ = 672250.

The previous prime is 672229. The next prime is 672271. The reversal of 672251 is 152276.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-672251 is a prime.

It is a super-3 number, since 3×672251³ = 911413853333487753, which contains 333 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (672271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336125 + 336126.

It is an arithmetic number, because the mean of its divisors is an integer number (336126).

2⁶⁷²²⁵¹ is an apocalyptic number.

672251 is a deficient number, since it is larger than the sum of its proper divisors (1).

672251 is an equidigital number, since it uses as much as digits as its factorization.

672251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 840, while the sum is 23.

The square root of 672251 is about 819.9091413077. The cubic root of 672251 is about 87.6012867905.

The spelling of 672251 in words is "six hundred seventy-two thousand, two hundred fifty-one".