402435043 has 2 divisors, whose sum is σ = 402435044. Its totient is φ = 402435042.

The previous prime is 402434969. The next prime is 402435073. The reversal of 402435043 is 340534204.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-402435043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 402434999 and 402435017.

It is not a weakly prime, because it can be changed into another prime (402435073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201217521 + 201217522.

It is an arithmetic number, because the mean of its divisors is an integer number (201217522).

Almost surely, 2^402435043 is an apocalyptic number.

402435043 is a deficient number, since it is larger than the sum of its proper divisors (1).

402435043 is an equidigital number, since it uses as much as digits as its factorization.

402435043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 25.

The square root of 402435043 is about 20060.7837085195. The cubic root of 402435043 is about 738.2984052129.

Adding to 402435043 its reverse (340534204), we get a palindrome (742969247).

The spelling of 402435043 in words is "four hundred two million, four hundred thirty-five thousand, forty-three".