672587101 has 2 divisors, whose sum is σ = 672587102. Its totient is φ = 672587100.

The previous prime is 672587087. The next prime is 672587117. The reversal of 672587101 is 101785276.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 595604025 + 76983076 = 24405^2 + 8774^2 .

It is a cyclic number.

It is not a de Polignac number, because 672587101 - 2¹³ = 672578909 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (672587141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336293550 + 336293551.

It is an arithmetic number, because the mean of its divisors is an integer number (336293551).

Almost surely, 2^672587101 is an apocalyptic number.

It is an amenable number.

672587101 is a deficient number, since it is larger than the sum of its proper divisors (1).

672587101 is an equidigital number, since it uses as much as digits as its factorization.

672587101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23520, while the sum is 37.

The square root of 672587101 is about 25934.2842777664. The cubic root of 672587101 is about 876.1588350844.

The spelling of 672587101 in words is "six hundred seventy-two million, five hundred eighty-seven thousand, one hundred one".