42901429 has 2 divisors, whose sum is σ = 42901430. Its totient is φ = 42901428.

The previous prime is 42901423. The next prime is 42901477. The reversal of 42901429 is 92410924.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39715204 + 3186225 = 6302^2 + 1785^2 .

It is a cyclic number.

It is not a de Polignac number, because 42901429 - 2⁷ = 42901301 is a prime.

It is a super-2 number, since 2×42901429² = 3681065220484082, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42901429.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42901423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21450714 + 21450715.

It is an arithmetic number, because the mean of its divisors is an integer number (21450715).

Almost surely, 2^42901429 is an apocalyptic number.

It is an amenable number.

42901429 is a deficient number, since it is larger than the sum of its proper divisors (1).

42901429 is an equidigital number, since it uses as much as digits as its factorization.

42901429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 42901429 is about 6549.9182437646. The cubic root of 42901429 is about 350.0719008746.

The spelling of 42901429 in words is "forty-two million, nine hundred one thousand, four hundred twenty-nine".