34340425 has 54 divisors (see below), whose sum is σ = 53161962. Its totient is φ = 21934080.

The previous prime is 34340417. The next prime is 34340447. The reversal of 34340425 is 52404343.

It can be written as a sum of positive squares in 9 ways, for example, as 2350089 + 31990336 = 1533^2 + 5656^2 .

It is not a de Polignac number, because 34340425 - 2³ = 34340417 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 34340425.

It is an unprimeable number.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 353977 + ... + 354073.

Almost surely, 2^34340425 is an apocalyptic number.

34340425 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

34340425 is a deficient number, since it is larger than the sum of its proper divisors (18821537).

34340425 is a wasteful number, since it uses less digits than its factorization.

34340425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155 (or 126 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 25.

The square root of 34340425 is about 5860.0703920687. The cubic root of 34340425 is about 325.0388119329.

Adding to 34340425 its reverse (52404343), we get a palindrome (86744768).

The spelling of 34340425 in words is "thirty-four million, three hundred forty thousand, four hundred twenty-five".