343401025 has 36 divisors (see below), whose sum is σ = 475975612. Its totient is φ = 245520000.

The previous prime is 343400989. The next prime is 343401067. The reversal of 343401025 is 520104343.

It can be written as a sum of positive squares in 6 ways, for example, as 183656704 + 159744321 = 13552^2 + 12639^2 .

It is not a de Polignac number, because 343401025 - 2²⁷ = 209183297 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 343400987 and 343401005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 183595 + ... + 185455.

Almost surely, 2^343401025 is an apocalyptic number.

It is an amenable number.

343401025 is a deficient number, since it is larger than the sum of its proper divisors (132574587).

343401025 is a wasteful number, since it uses less digits than its factorization.

343401025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1954 (or 1938 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 343401025 is about 18531.0826720945. The cubic root of 343401025 is about 700.2726998726.

Adding to 343401025 its reverse (520104343), we get a palindrome (863505368).

The spelling of 343401025 in words is "three hundred forty-three million, four hundred one thousand, twenty-five".