350525421 has 16 divisors (see below), whose sum is σ = 519883200. Its totient is φ = 233419824.

The previous prime is 350525381. The next prime is 350525423. The reversal of 350525421 is 124525053.

It is a happy number.

It is not a de Polignac number, because 350525421 - 2¹⁷ = 350394349 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 (350525423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18715 + ... + 32423.

It is an arithmetic number, because the mean of its divisors is an integer number (32492700).

Almost surely, 2^350525421 is an apocalyptic number.

It is an amenable number.

350525421 is a deficient number, since it is larger than the sum of its proper divisors (169357779).

350525421 is a wasteful number, since it uses less digits than its factorization.

350525421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14665 (or 14659 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 350525421 is about 18722.3241345726. The cubic root of 350525421 is about 705.0823443881.

The spelling of 350525421 in words is "three hundred fifty million, five hundred twenty-five thousand, four hundred twenty-one".