402125411 has 2 divisors, whose sum is σ = 402125412. Its totient is φ = 402125410.

The previous prime is 402125389. The next prime is 402125441. The reversal of 402125411 is 114521204.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-402125411 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (402125441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201062705 + 201062706.

It is an arithmetic number, because the mean of its divisors is an integer number (201062706).

Almost surely, 2^402125411 is an apocalyptic number.

402125411 is a deficient number, since it is larger than the sum of its proper divisors (1).

402125411 is an equidigital number, since it uses as much as digits as its factorization.

402125411 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 402125411 is about 20053.0648779682. The cubic root of 402125411 is about 738.1090086307.

Adding to 402125411 its reverse (114521204), we get a palindrome (516646615).

The spelling of 402125411 in words is "four hundred two million, one hundred twenty-five thousand, four hundred eleven".