351006645 has 64 divisors (see below), whose sum is σ = 637820928. Its totient is φ = 163296000.

The previous prime is 351006641. The next prime is 351006647. The reversal of 351006645 is 546600153.

It is not a de Polignac number, because 351006645 - 2² = 351006641 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (351006641) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 833535 + ... + 833955.

It is an arithmetic number, because the mean of its divisors is an integer number (9965952).

Almost surely, 2^351006645 is an apocalyptic number.

It is an amenable number.

351006645 is a deficient number, since it is larger than the sum of its proper divisors (286814283).

351006645 is a wasteful number, since it uses less digits than its factorization.

351006645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 351006645 is about 18735.1713362862. The cubic root of 351006645 is about 705.4048577465.

Adding to 351006645 its reverse (546600153), we get a palindrome (897606798).

The spelling of 351006645 in words is "three hundred fifty-one million, six thousand, six hundred forty-five".