651425 has 12 divisors (see below), whose sum is σ = 821376. Its totient is φ = 512400.

The previous prime is 651401. The next prime is 651437. The reversal of 651425 is 524156.

It is not a de Polignac number, because 651425 - 2⁶ = 651361 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 651425.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 651425.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1592 + ... + 1958.

It is an arithmetic number, because the mean of its divisors is an integer number (68448).

2⁶⁵¹⁴²⁵ is an apocalyptic number.

It is an amenable number.

651425 is a deficient number, since it is larger than the sum of its proper divisors (169951).

651425 is a wasteful number, since it uses less digits than its factorization.

651425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448 (or 443 counting only the distinct ones).

The product of its digits is 1200, while the sum is 23.

The square root of 651425 is about 807.1090384824. The cubic root of 651425 is about 86.6871664196.

The spelling of 651425 in words is "six hundred fifty-one thousand, four hundred twenty-five".