349581245 has 8 divisors (see below), whose sum is σ = 451766616. Its totient is φ = 258152256.

The previous prime is 349581233. The next prime is 349581257. The reversal of 349581245 is 542185943.

It is an interprime number because it is at equal distance from previous prime (349581233) and next prime (349581257).

It can be written as a sum of positive squares in 4 ways, for example, as 4104676 + 345476569 = 2026^2 + 18587^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 349581245 - 2⁶ = 349581181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2689022 + ... + 2689151.

It is an arithmetic number, because the mean of its divisors is an integer number (56470827).

Almost surely, 2^349581245 is an apocalyptic number.

It is an amenable number.

349581245 is a deficient number, since it is larger than the sum of its proper divisors (102185371).

349581245 is a wasteful number, since it uses less digits than its factorization.

349581245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5378191.

The product of its digits is 172800, while the sum is 41.

The square root of 349581245 is about 18697.0918861731. The cubic root of 349581245 is about 704.4487047016.

The spelling of 349581245 in words is "three hundred forty-nine million, five hundred eighty-one thousand, two hundred forty-five".