425634049 has 16 divisors (see below), whose sum is σ = 461585088. Its totient is φ = 391007232.

The previous prime is 425633993. The next prime is 425634091. The reversal of 425634049 is 940436524.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 425634049 - 2⁷ = 425633921 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 425633999 and 425634017.

It is not an unprimeable number, because it can be changed into a prime (425634449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127054 + ... + 130360.

It is an arithmetic number, because the mean of its divisors is an integer number (28849068).

Almost surely, 2^425634049 is an apocalyptic number.

It is an amenable number.

425634049 is a deficient number, since it is larger than the sum of its proper divisors (35951039).

425634049 is a wasteful number, since it uses less digits than its factorization.

425634049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3504.

The product of its (nonzero) digits is 103680, while the sum is 37.

The square root of 425634049 is about 20630.9003439016. The cubic root of 425634049 is about 752.2210009731.

The spelling of 425634049 in words is "four hundred twenty-five million, six hundred thirty-four thousand, forty-nine".