425402011 has 2 divisors, whose sum is σ = 425402012. Its totient is φ = 425402010.

The previous prime is 425401993. The next prime is 425402059. The reversal of 425402011 is 110204524.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 425402011 - 2²³ = 417013403 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 425402011.

It is not a weakly prime, because it can be changed into another prime (425402071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212701005 + 212701006.

It is an arithmetic number, because the mean of its divisors is an integer number (212701006).

Almost surely, 2^425402011 is an apocalyptic number.

425402011 is a deficient number, since it is larger than the sum of its proper divisors (1).

425402011 is an equidigital number, since it uses as much as digits as its factorization.

425402011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 425402011 is about 20625.2760223954. The cubic root of 425402011 is about 752.0842829132.

Adding to 425402011 its reverse (110204524), we get a palindrome (535606535).

It can be divided in two parts, 42540 and 2011, that added together give a triangular number (44551 = T₂₉₈).

The spelling of 425402011 in words is "four hundred twenty-five million, four hundred two thousand, eleven".