349081625 has 16 divisors (see below), whose sum is σ = 436275840. Its totient is φ = 278866800.

The previous prime is 349081619. The next prime is 349081631. The reversal of 349081625 is 526180943.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (349081619) and next prime (349081631).

It is not a de Polignac number, because 349081625 - 2⁶ = 349081561 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111836 + ... + 114914.

It is an arithmetic number, because the mean of its divisors is an integer number (27267240).

Almost surely, 2^349081625 is an apocalyptic number.

It is an amenable number.

349081625 is a deficient number, since it is larger than the sum of its proper divisors (87194215).

349081625 is an equidigital number, since it uses as much as digits as its factorization.

349081625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4001 (or 3991 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 349081625 is about 18683.7262075850. The cubic root of 349081625 is about 704.1129463510.

The spelling of 349081625 in words is "three hundred forty-nine million, eighty-one thousand, six hundred twenty-five".