4157429 has 2 divisors, whose sum is σ = 4157430. Its totient is φ = 4157428.

The previous prime is 4157399. The next prime is 4157437. The reversal of 4157429 is 9247514.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3602404 + 555025 = 1898^2 + 745^2 .

It is a cyclic number.

It is not a de Polignac number, because 4157429 - 2⁸ = 4157173 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 4157395 and 4157404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4157449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2078714 + 2078715.

It is an arithmetic number, because the mean of its divisors is an integer number (2078715).

Almost surely, 2^4157429 is an apocalyptic number.

It is an amenable number.

4157429 is a deficient number, since it is larger than the sum of its proper divisors (1).

4157429 is an equidigital number, since it uses as much as digits as its factorization.

4157429 is an evil number, because the sum of its binary digits is even.

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

The square root of 4157429 is about 2038.9774397967. The cubic root of 4157429 is about 160.7958911890.

The spelling of 4157429 in words is "four million, one hundred fifty-seven thousand, four hundred twenty-nine".