2657429 has 2 divisors, whose sum is σ = 2657430. Its totient is φ = 2657428.

The previous prime is 2657407. The next prime is 2657461. The reversal of 2657429 is 9247562.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2656900 + 529 = 1630^2 + 23^2 .

It is a cyclic number.

It is not a de Polignac number, because 2657429 - 2⁸ = 2657173 is a prime.

It is a Chen prime.

It is a d-powerful number, because it can be written as 2⁷ + 6⁸ + 5³ + 7⁷ + 4⁷ + 2¹⁷ + 9⁴ .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2657129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1328714 + 1328715.

It is an arithmetic number, because the mean of its divisors is an integer number (1328715).

2^2657429 is an apocalyptic number.

It is an amenable number.

2657429 is a deficient number, since it is larger than the sum of its proper divisors (1).

2657429 is an equidigital number, since it uses as much as digits as its factorization.

2657429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30240, while the sum is 35.

The square root of 2657429 is about 1630.1622618623. The cubic root of 2657429 is about 138.5119436063.

The spelling of 2657429 in words is "two million, six hundred fifty-seven thousand, four hundred twenty-nine".