425540003 has 4 divisors (see below), whose sum is σ = 486331440. Its totient is φ = 364748568.

The previous prime is 425539993. The next prime is 425540009. The reversal of 425540003 is 300045524.

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

It is a cyclic number.

It is not a de Polignac number, because 425540003 - 2⁸ = 425539747 is a prime.

It is not an unprimeable number, because it can be changed into a prime (425540009) 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, 30395708 + ... + 30395721.

It is an arithmetic number, because the mean of its divisors is an integer number (121582860).

Almost surely, 2^425540003 is an apocalyptic number.

425540003 is a deficient number, since it is larger than the sum of its proper divisors (60791437).

425540003 is an equidigital number, since it uses as much as digits as its factorization.

425540003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60791436.

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 425540003 is about 20628.6209669963. The cubic root of 425540003 is about 752.1655945448.

Adding to 425540003 its reverse (300045524), we get a palindrome (725585527).

The spelling of 425540003 in words is "four hundred twenty-five million, five hundred forty thousand, three".