434649625 has 32 divisors (see below), whose sum is σ = 578930976. Its totient is φ = 324659200.

The previous prime is 434649623. The next prime is 434649629. The reversal of 434649625 is 526946434.

It is a happy number.

It can be written as a sum of positive squares in 16 ways, for example, as 136983616 + 297666009 = 11704^2 + 17253^2 .

It is not a de Polignac number, because 434649625 - 2¹ = 434649623 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (434649623) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 290379 + ... + 291871.

It is an arithmetic number, because the mean of its divisors is an integer number (18091593).

Almost surely, 2^434649625 is an apocalyptic number.

It is an amenable number.

434649625 is a deficient number, since it is larger than the sum of its proper divisors (144281351).

434649625 is a wasteful number, since it uses less digits than its factorization.

434649625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1662 (or 1652 counting only the distinct ones).

The product of its digits is 622080, while the sum is 43.

The square root of 434649625 is about 20848.2523248353. The cubic root of 434649625 is about 757.4949986418.

The spelling of 434649625 in words is "four hundred thirty-four million, six hundred forty-nine thousand, six hundred twenty-five".