351242541 has 16 divisors (see below), whose sum is σ = 560387520. Its totient is φ = 216149040.

The previous prime is 351242539. The next prime is 351242543. The reversal of 351242541 is 145242153.

It is an interprime number because it is at equal distance from previous prime (351242539) and next prime (351242543).

It is not a de Polignac number, because 351242541 - 2¹ = 351242539 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (351242543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 499995 + ... + 500696.

It is an arithmetic number, because the mean of its divisors is an integer number (35024220).

Almost surely, 2^351242541 is an apocalyptic number.

It is an amenable number.

351242541 is a deficient number, since it is larger than the sum of its proper divisors (209144979).

351242541 is a wasteful number, since it uses less digits than its factorization.

351242541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000713 (or 1000707 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 351242541 is about 18741.4658178062. The cubic root of 351242541 is about 705.5628461336.

Adding to 351242541 its reverse (145242153), we get a palindrome (496484694).

The spelling of 351242541 in words is "three hundred fifty-one million, two hundred forty-two thousand, five hundred forty-one".