1672529 has 2 divisors, whose sum is σ = 1672530. Its totient is φ = 1672528.

The previous prime is 1672523. The next prime is 1672549. The reversal of 1672529 is 9252761.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1113025 + 559504 = 1055^2 + 748^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1672529 is a prime.

It is a super-3 number, since 3×1672529³ = 14035963330915475667, which contains 333 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 1672495 and 1672504.

It is not a weakly prime, because it can be changed into another prime (1672523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 836264 + 836265.

It is an arithmetic number, because the mean of its divisors is an integer number (836265).

2^1672529 is an apocalyptic number.

It is an amenable number.

1672529 is a deficient number, since it is larger than the sum of its proper divisors (1).

1672529 is an equidigital number, since it uses as much as digits as its factorization.

1672529 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7560, while the sum is 32.

The square root of 1672529 is about 1293.2629276369. The cubic root of 1672529 is about 118.7019587759.

It can be divided in two parts, 1672 and 529, that multiplied together give a palindrome (884488).

The spelling of 1672529 in words is "one million, six hundred seventy-two thousand, five hundred twenty-nine".