350278425 has 72 divisors (see below), whose sum is σ = 743660736. Its totient is φ = 160107840.

The previous prime is 350278399. The next prime is 350278427. The reversal of 350278425 is 524872053.

It is not a de Polignac number, because 350278425 - 2⁹ = 350277913 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 350278425.

It is not an unprimeable number, because it can be changed into a prime (350278427) 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 in 71 ways as a sum of consecutive naturals, for example, 38407 + ... + 46643.

Almost surely, 2^350278425 is an apocalyptic number.

350278425 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

350278425 is an abundant number, since it is smaller than the sum of its proper divisors (393382311).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

350278425 is an equidigital number, since it uses as much as digits as its factorization.

350278425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8269 (or 8252 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The square root of 350278425 is about 18715.7266757131. The cubic root of 350278425 is about 704.9166945478.

It can be divided in two parts, 350278 and 425, that added together give a triangular number (350703 = T₈₃₇).

The spelling of 350278425 in words is "three hundred fifty million, two hundred seventy-eight thousand, four hundred twenty-five".