672601541 has 2 divisors, whose sum is σ = 672601542. Its totient is φ = 672601540.

The previous prime is 672601529. The next prime is 672601561. The reversal of 672601541 is 145106276.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 663268516 + 9333025 = 25754^2 + 3055^2 .

It is a cyclic number.

It is not a de Polignac number, because 672601541 - 2⁶ = 672601477 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 672601498 and 672601507.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (672601561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336300770 + 336300771.

It is an arithmetic number, because the mean of its divisors is an integer number (336300771).

Almost surely, 2^672601541 is an apocalyptic number.

It is an amenable number.

672601541 is a deficient number, since it is larger than the sum of its proper divisors (1).

672601541 is an equidigital number, since it uses as much as digits as its factorization.

672601541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 672601541 is about 25934.5626722334. The cubic root of 672601541 is about 876.1651052230.

The spelling of 672601541 in words is "six hundred seventy-two million, six hundred one thousand, five hundred forty-one".