1634225351 has 24 divisors (see below), whose sum is σ = 1899765120. Its totient is φ = 1393891200.

The previous prime is 1634225347. The next prime is 1634225353. The reversal of 1634225351 is 1535224361.

It is a happy number.

It is not a de Polignac number, because 1634225351 - 2² = 1634225347 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1634225353) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1394996 + ... + 1396166.

It is an arithmetic number, because the mean of its divisors is an integer number (79156880).

Almost surely, 2^1634225351 is an apocalyptic number.

1634225351 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1634225351 is a deficient number, since it is larger than the sum of its proper divisors (265539769).

1634225351 is a wasteful number, since it uses less digits than its factorization.

1634225351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1655 (or 1638 counting only the distinct ones).

The product of its digits is 21600, while the sum is 32.

The square root of 1634225351 is about 40425.5531934938. The cubic root of 1634225351 is about 1177.8879559122.

The spelling of 1634225351 in words is "one billion, six hundred thirty-four million, two hundred twenty-five thousand, three hundred fifty-one".