1674441225 has 18 divisors (see below), whose sum is σ = 2999110686. Its totient is φ = 893035200.

The previous prime is 1674441221. The next prime is 1674441229. The reversal of 1674441225 is 5221444761.

It is an interprime number because it is at equal distance from previous prime (1674441221) and next prime (1674441229).

It can be written as a sum of positive squares in 3 ways, for example, as 132779529 + 1541661696 = 11523^2 + 39264^2 .

It is not a de Polignac number, because 1674441225 - 2² = 1674441221 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1674441225.

It is not an unprimeable number, because it can be changed into a prime (1674441221) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3720756 + ... + 3721205.

Almost surely, 2^1674441225 is an apocalyptic number.

1674441225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1674441225 is a deficient number, since it is larger than the sum of its proper divisors (1324669461).

1674441225 is a wasteful number, since it uses less digits than its factorization.

1674441225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7441977 (or 7441969 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 1674441225 is about 40919.9367668133. The cubic root of 1674441225 is about 1187.4717939745.

Adding to 1674441225 its reverse (5221444761), we get a palindrome (6895885986).

The spelling of 1674441225 in words is "one billion, six hundred seventy-four million, four hundred forty-one thousand, two hundred twenty-five".