1351664003 has 4 divisors (see below), whose sum is σ = 1351816728. Its totient is φ = 1351511280.

The previous prime is 1351663997. The next prime is 1351664059. The reversal of 1351664003 is 3004661531.

It is a happy number.

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 1351664003 - 2¹⁶ = 1351598467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1351664603) 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, 62213 + ... + 81078.

It is an arithmetic number, because the mean of its divisors is an integer number (337954182).

Almost surely, 2^1351664003 is an apocalyptic number.

1351664003 is a deficient number, since it is larger than the sum of its proper divisors (152725).

1351664003 is an equidigital number, since it uses as much as digits as its factorization.

1351664003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152724.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 1351664003 is about 36764.9833809292. The cubic root of 1351664003 is about 1105.6633549616.

The spelling of 1351664003 in words is "one billion, three hundred fifty-one million, six hundred sixty-four thousand, three".