356421125 has 16 divisors (see below), whose sum is σ = 445379376. Its totient is φ = 284774400.

The previous prime is 356421119. The next prime is 356421127. The reversal of 356421125 is 521124653.

It can be written as a sum of positive squares in 8 ways, for example, as 35796289 + 320624836 = 5983^2 + 17906^2 .

It is a de Polignac number, because none of the positive numbers 2^k-356421125 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (356421127) 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, 142889 + ... + 145361.

It is an arithmetic number, because the mean of its divisors is an integer number (27836211).

Almost surely, 2^356421125 is an apocalyptic number.

It is an amenable number.

356421125 is a deficient number, since it is larger than the sum of its proper divisors (88958251).

356421125 is a wasteful number, since it uses less digits than its factorization.

356421125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3641 (or 3631 counting only the distinct ones).

The product of its digits is 7200, while the sum is 29.

The square root of 356421125 is about 18879.1187559165. The cubic root of 356421125 is about 709.0134582467.

Adding to 356421125 its reverse (521124653), we get a palindrome (877545778).

The spelling of 356421125 in words is "three hundred fifty-six million, four hundred twenty-one thousand, one hundred twenty-five".