425402135 has 32 divisors (see below), whose sum is σ = 579353472. Its totient is φ = 298045440.

The previous prime is 425402113. The next prime is 425402143. The reversal of 425402135 is 531204524.

It is a happy number.

It is not a de Polignac number, because 425402135 - 2⁶ = 425402071 is a prime.

It is a congruent number.

It is an unprimeable number.

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 in 31 ways as a sum of consecutive naturals, for example, 69395 + ... + 75275.

It is an arithmetic number, because the mean of its divisors is an integer number (18104796).

Almost surely, 2^425402135 is an apocalyptic number.

425402135 is a deficient number, since it is larger than the sum of its proper divisors (153951337).

425402135 is a wasteful number, since it uses less digits than its factorization.

425402135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5963.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 425402135 is about 20625.2790284156. The cubic root of 425402135 is about 752.0843559880.

Adding to 425402135 its reverse (531204524), we get a palindrome (956606659).

The spelling of 425402135 in words is "four hundred twenty-five million, four hundred two thousand, one hundred thirty-five".