349503025 has 9 divisors (see below), whose sum is σ = 433499691. Its totient is φ = 279527640.

The previous prime is 349503013. The next prime is 349503053. The reversal of 349503025 is 520305943.

The square root of 349503025 is 18695.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 125821089 + 223681936 = 11217^2 + 14956^2 .

It is not a de Polignac number, because 349503025 - 2⁹ = 349502513 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 91606 + ... + 95344.

Almost surely, 2^349503025 is an apocalyptic number.

349503025 is the 18695-th square number.

349503025 is the 9348-th centered octagonal number.

It is an amenable number.

349503025 is a deficient number, since it is larger than the sum of its proper divisors (83996666).

349503025 is an frugal number, since it uses more digits than its factorization.

349503025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7488 (or 3744 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 31.

The cubic root of 349503025 is about 704.3961598462.

Adding to 349503025 its reverse (520305943), we get a palindrome (869808968).

It can be divided in two parts, 34 and 9503025, that added together give a palindrome (9503059).

The spelling of 349503025 in words is "three hundred forty-nine million, five hundred three thousand, twenty-five".