425051511 has 8 divisors (see below), whose sum is σ = 574717824. Its totient is φ = 279376440.

The previous prime is 425051507. The next prime is 425051513. The reversal of 425051511 is 115150524.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 425051511 - 2² = 425051507 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425051513) 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 in 7 ways as a sum of consecutive naturals, for example, 997561 + ... + 997986.

It is an arithmetic number, because the mean of its divisors is an integer number (71839728).

Almost surely, 2^425051511 is an apocalyptic number.

425051511 is a deficient number, since it is larger than the sum of its proper divisors (149666313).

425051511 is a wasteful number, since it uses less digits than its factorization.

425051511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1995621.

The product of its (nonzero) digits is 1000, while the sum is 24.

The square root of 425051511 is about 20616.7774154934. Note that the first 3 decimals coincide. The cubic root of 425051511 is about 751.8776720959.

The spelling of 425051511 in words is "four hundred twenty-five million, fifty-one thousand, five hundred eleven".