1672901 has 2 divisors, whose sum is σ = 1672902. Its totient is φ = 1672900.

The previous prime is 1672897. The next prime is 1672921. The reversal of 1672901 is 1092761.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1324801 + 348100 = 1151^2 + 590^2 .

It is a cyclic number.

It is not a de Polignac number, because 1672901 - 2² = 1672897 is a prime.

It is a Chen prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1672921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 836450 + 836451.

It is an arithmetic number, because the mean of its divisors is an integer number (836451).

2^1672901 is an apocalyptic number.

It is an amenable number.

1672901 is a deficient number, since it is larger than the sum of its proper divisors (1).

1672901 is an equidigital number, since it uses as much as digits as its factorization.

1672901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756, while the sum is 26.

The square root of 1672901 is about 1293.4067419029. The cubic root of 1672901 is about 118.7107585944.

The spelling of 1672901 in words is "one million, six hundred seventy-two thousand, nine hundred one".