1630413225 has 96 divisors (see below), whose sum is σ = 3533742080. Its totient is φ = 721224000.

The previous prime is 1630413217. The next prime is 1630413233. The reversal of 1630413225 is 5223140361.

1630413225 is a `hidden beast` number, since 1 + 630 + 4 + 1 + 3 + 2 + 25 = 666.

It is an interprime number because it is at equal distance from previous prime (1630413217) and next prime (1630413233).

It is not a de Polignac number, because 1630413225 - 2³ = 1630413217 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

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 95 ways as a sum of consecutive naturals, for example, 140910 + ... + 152040.

Almost surely, 2^1630413225 is an apocalyptic number.

1630413225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1630413225 is an abundant number, since it is smaller than the sum of its proper divisors (1903328855).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1630413225 is a wasteful number, since it uses less digits than its factorization.

1630413225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11188 (or 11177 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 1630413225 is about 40378.3757102734. The cubic root of 1630413225 is about 1176.9713639876.

Adding to 1630413225 its reverse (5223140361), we get a palindrome (6853553586).

The spelling of 1630413225 in words is "one billion, six hundred thirty million, four hundred thirteen thousand, two hundred twenty-five".