425456503 has 4 divisors (see below), whose sum is σ = 429432840. Its totient is φ = 421480168.

The previous prime is 425456497. The next prime is 425456509. The reversal of 425456503 is 305654524.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (425456497) and next prime (425456509).

It is a cyclic number.

It is not a de Polignac number, because 425456503 - 2²¹ = 423359351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425456509) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1988008 + ... + 1988221.

It is an arithmetic number, because the mean of its divisors is an integer number (107358210).

Almost surely, 2^425456503 is an apocalyptic number.

425456503 is a deficient number, since it is larger than the sum of its proper divisors (3976337).

425456503 is a wasteful number, since it uses less digits than its factorization.

425456503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3976336.

The product of its (nonzero) digits is 72000, while the sum is 34.

The square root of 425456503 is about 20626.5969805976. The cubic root of 425456503 is about 752.1163943638.

It can be divided in two parts, 42 and 5456503, that added together give a palindrome (5456545).

The spelling of 425456503 in words is "four hundred twenty-five million, four hundred fifty-six thousand, five hundred three".