345987003 has 4 divisors (see below), whose sum is σ = 461316008. Its totient is φ = 230658000.

The previous prime is 345986983. The next prime is 345987007. The reversal of 345987003 is 300789543.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 300789543 = 3 ⋅100263181.

It is not a de Polignac number, because 345987003 - 2¹⁷ = 345855931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345987007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57664498 + ... + 57664503.

It is an arithmetic number, because the mean of its divisors is an integer number (115329002).

Almost surely, 2^345987003 is an apocalyptic number.

345987003 is a deficient number, since it is larger than the sum of its proper divisors (115329005).

345987003 is a wasteful number, since it uses less digits than its factorization.

345987003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115329004.

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 345987003 is about 18600.7258729330. The cubic root of 345987003 is about 702.0261047427.

The spelling of 345987003 in words is "three hundred forty-five million, nine hundred eighty-seven thousand, three".