425553520451 has 8 divisors (see below), whose sum is σ = 428155657920. Its totient is φ = 422953880488.

The previous prime is 425553520439. The next prime is 425553520531. The reversal of 425553520451 is 154025355524.

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 425553520451 - 2¹⁴ = 425553504067 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 425553520399 and 425553520408.

It is not an unprimeable number, because it can be changed into a prime (425553520151) 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, 281981 + ... + 964686.

It is an arithmetic number, because the mean of its divisors is an integer number (53519457240).

Almost surely, 2^425553520451 is an apocalyptic number.

425553520451 is a deficient number, since it is larger than the sum of its proper divisors (2602137469).

425553520451 is a wasteful number, since it uses less digits than its factorization.

425553520451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1248753.

The product of its (nonzero) digits is 600000, while the sum is 41.

Adding to 425553520451 its reverse (154025355524), we get a palindrome (579578875975).

The spelling of 425553520451 in words is "four hundred twenty-five billion, five hundred fifty-three million, five hundred twenty thousand, four hundred fifty-one".