351946141 has 2 divisors, whose sum is σ = 351946142. Its totient is φ = 351946140.

The previous prime is 351946103. The next prime is 351946157. The reversal of 351946141 is 141649153.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 308002500 + 43943641 = 17550^2 + 6629^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-351946141 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 351946097 and 351946106.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (351946181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 175973070 + 175973071.

It is an arithmetic number, because the mean of its divisors is an integer number (175973071).

Almost surely, 2^351946141 is an apocalyptic number.

It is an amenable number.

351946141 is a deficient number, since it is larger than the sum of its proper divisors (1).

351946141 is an equidigital number, since it uses as much as digits as its factorization.

351946141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12960, while the sum is 34.

The square root of 351946141 is about 18760.2276372117. The cubic root of 351946141 is about 706.0336536695.

The spelling of 351946141 in words is "three hundred fifty-one million, nine hundred forty-six thousand, one hundred forty-one".