340742525 has 12 divisors (see below), whose sum is σ = 422750100. Its totient is φ = 272446080.

The previous prime is 340742497. The next prime is 340742533. The reversal of 340742525 is 525247043.

It can be written as a sum of positive squares in 6 ways, for example, as 124858276 + 215884249 = 11174^2 + 14693^2 .

It is not a de Polignac number, because 340742525 - 2¹⁸ = 340480381 is a prime.

It is a super-2 number, since 2×340742525² = 232210936686751250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 340742491 and 340742500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 84761 + ... + 88689.

It is an arithmetic number, because the mean of its divisors is an integer number (35229175).

Almost surely, 2^340742525 is an apocalyptic number.

It is an amenable number.

340742525 is a deficient number, since it is larger than the sum of its proper divisors (82007575).

340742525 is a wasteful number, since it uses less digits than its factorization.

340742525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7408 (or 7403 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 32.

The square root of 340742525 is about 18459.2124696586. The cubic root of 340742525 is about 698.4609212535.

Adding to 340742525 its reverse (525247043), we get a palindrome (865989568).

The spelling of 340742525 in words is "three hundred forty million, seven hundred forty-two thousand, five hundred twenty-five".