355951 has 2 divisors, whose sum is σ = 355952. Its totient is φ = 355950.

The previous prime is 355939. The next prime is 355967. The reversal of 355951 is 159553.

It is a weak prime.

It is an emirp because it is prime and its reverse (159553) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 355951 - 2¹³ = 347759 is a prime.

It is a super-2 number, since 2×355951² = 253402228802, which contains 22 as substring.

355951 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (355651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177975 + 177976.

It is an arithmetic number, because the mean of its divisors is an integer number (177976).

2³⁵⁵⁹⁵¹ is an apocalyptic number.

355951 is a deficient number, since it is larger than the sum of its proper divisors (1).

355951 is an equidigital number, since it uses as much as digits as its factorization.

355951 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3375, while the sum is 28.

The square root of 355951 is about 596.6162921007. The cubic root of 355951 is about 70.8701587831.

The spelling of 355951 in words is "three hundred fifty-five thousand, nine hundred fifty-one".