1603412402 has 4 divisors (see below), whose sum is σ = 2405118606. Its totient is φ = 801706200.

The previous prime is 1603412381. The next prime is 1603412431. The reversal of 1603412402 is 2042143061.

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

It can be written as a sum of positive squares in only one way, i.e., 1363751041 + 239661361 = 36929^2 + 15481^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 400853099 + ... + 400853102.

Almost surely, 2^1603412402 is an apocalyptic number.

1603412402 is a deficient number, since it is larger than the sum of its proper divisors (801706204).

1603412402 is an equidigital number, since it uses as much as digits as its factorization.

1603412402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 801706203.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 1603412402 is about 40042.6323060810. The cubic root of 1603412402 is about 1170.4379985263.

Adding to 1603412402 its reverse (2042143061), we get a palindrome (3645555463).

The spelling of 1603412402 in words is "one billion, six hundred three million, four hundred twelve thousand, four hundred two".