425000403 has 24 divisors (see below), whose sum is σ = 619597056. Its totient is φ = 280713600.

The previous prime is 425000399. The next prime is 425000419. The reversal of 425000403 is 304000524.

It is a happy number.

It is not a de Polignac number, because 425000403 - 2² = 425000399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (425000203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 785313 + ... + 785853.

It is an arithmetic number, because the mean of its divisors is an integer number (25816544).

Almost surely, 2^425000403 is an apocalyptic number.

425000403 is a deficient number, since it is larger than the sum of its proper divisors (194596653).

425000403 is a wasteful number, since it uses less digits than its factorization.

425000403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1195 (or 1192 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 425000403 is about 20615.5379022717. The cubic root of 425000403 is about 751.8475357451.

Adding to 425000403 its reverse (304000524), we get a palindrome (729000927).

The spelling of 425000403 in words is "four hundred twenty-five million, four hundred three", and thus it is an aban number.