425321651 has 8 divisors (see below), whose sum is σ = 427137984. Its totient is φ = 423510120.

The previous prime is 425321647. The next prime is 425321653. The reversal of 425321651 is 156123524.

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 425321651 - 2² = 425321647 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (425321653) 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, 378176 + ... + 379298.

It is an arithmetic number, because the mean of its divisors is an integer number (53392248).

Almost surely, 2^425321651 is an apocalyptic number.

425321651 is a deficient number, since it is larger than the sum of its proper divisors (1816333).

425321651 is a wasteful number, since it uses less digits than its factorization.

425321651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2401.

The product of its digits is 7200, while the sum is 29.

The square root of 425321651 is about 20623.3278352452. The cubic root of 425321651 is about 752.0369227712.

The spelling of 425321651 in words is "four hundred twenty-five million, three hundred twenty-one thousand, six hundred fifty-one".