425240051 has 8 divisors (see below), whose sum is σ = 439194624. Its totient is φ = 411300360.

The previous prime is 425240047. The next prime is 425240071. The reversal of 425240051 is 150042524.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 425240051 - 2² = 425240047 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 425239999 and 425240026.

It is not an unprimeable number, because it can be changed into a prime (425240071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109916 + ... + 113718.

It is an arithmetic number, because the mean of its divisors is an integer number (54899328).

Almost surely, 2^425240051 is an apocalyptic number.

425240051 is a deficient number, since it is larger than the sum of its proper divisors (13954573).

425240051 is a wasteful number, since it uses less digits than its factorization.

425240051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7441.

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 425240051 is about 20621.3493981359. The cubic root of 425240051 is about 751.9888257309.

Adding to 425240051 its reverse (150042524), we get a palindrome (575282575).

The spelling of 425240051 in words is "four hundred twenty-five million, two hundred forty thousand, fifty-one".