425403451 has 6 divisors (see below), whose sum is σ = 467592356. Its totient is φ = 386730300.

The previous prime is 425403449. The next prime is 425403457. The reversal of 425403451 is 154304524.

It is not a de Polignac number, because 425403451 - 2¹ = 425403449 is a prime.

It is a super-2 number, since 2×425403451² = 361936192245418802, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (425403457) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1757745 + ... + 1757986.

Almost surely, 2^425403451 is an apocalyptic number.

425403451 is a deficient number, since it is larger than the sum of its proper divisors (42188905).

425403451 is a wasteful number, since it uses less digits than its factorization.

425403451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3515753 (or 3515742 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 425403451 is about 20625.3109309896. The cubic root of 425403451 is about 752.0851315224.

Adding to 425403451 its reverse (154304524), we get a palindrome (579707975).

The spelling of 425403451 in words is "four hundred twenty-five million, four hundred three thousand, four hundred fifty-one".