425106511 has 4 divisors (see below), whose sum is σ = 425148192. Its totient is φ = 425064832.

The previous prime is 425106509. The next prime is 425106523. The reversal of 425106511 is 115601524.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 425106511 - 2¹ = 425106509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425106571) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5871 + ... + 29743.

It is an arithmetic number, because the mean of its divisors is an integer number (106287048).

Almost surely, 2^425106511 is an apocalyptic number.

425106511 is a deficient number, since it is larger than the sum of its proper divisors (41681).

425106511 is a wasteful number, since it uses less digits than its factorization.

425106511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41680.

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 425106511 is about 20618.1112374533. Note that the first 3 decimals coincide. The cubic root of 425106511 is about 751.9101007054.

The spelling of 425106511 in words is "four hundred twenty-five million, one hundred six thousand, five hundred eleven".