2151361603 has 8 divisors (see below), whose sum is σ = 2281702176. Its totient is φ = 2024088000.

The previous prime is 2151361601. The next prime is 2151361613. The reversal of 2151361603 is 3061631512.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2151361603 - 2¹ = 2151361601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2151361601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 765298 + ... + 768103.

It is an arithmetic number, because the mean of its divisors is an integer number (285212772).

Almost surely, 2^2151361603 is an apocalyptic number.

2151361603 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2151361603 is a deficient number, since it is larger than the sum of its proper divisors (130340573).

2151361603 is a wasteful number, since it uses less digits than its factorization.

2151361603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1533485.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 2151361603 is about 46382.7726963363. The cubic root of 2151361603 is about 1290.9352837124.

The spelling of 2151361603 in words is "two billion, one hundred fifty-one million, three hundred sixty-one thousand, six hundred three".