349366025 has 24 divisors (see below), whose sum is σ = 447107544. Its totient is φ = 270604800.

The previous prime is 349365979. The next prime is 349366027. The reversal of 349366025 is 520663943.

It can be written as a sum of positive squares in 12 ways, for example, as 35473936 + 313892089 = 5956^2 + 17717^2 .

It is not a de Polignac number, because 349366025 - 2¹⁴ = 349349641 is a prime.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

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 349366025.

It is not an unprimeable number, because it can be changed into a prime (349366027) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 214715 + ... + 216335.

It is an arithmetic number, because the mean of its divisors is an integer number (18629481).

Almost surely, 2^349366025 is an apocalyptic number.

It is an amenable number.

349366025 is a deficient number, since it is larger than the sum of its proper divisors (97741519).

349366025 is a wasteful number, since it uses less digits than its factorization.

349366025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1901 (or 1896 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 38.

The square root of 349366025 is about 18691.3355595581. The cubic root of 349366025 is about 704.3041102034.

The spelling of 349366025 in words is "three hundred forty-nine million, three hundred sixty-six thousand, twenty-five".