4661001225 has 36 divisors (see below), whose sum is σ = 8657581296. Its totient is φ = 2485864080.

The previous prime is 4661001199. The next prime is 4661001251. The reversal of 4661001225 is 5221001664.

4661001225 is a `hidden beast` number, since 46 + 610 + 0 + 1 + 2 + 2 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (4661001199) and next prime (4661001251).

It is not a de Polignac number, because 4661001225 - 2⁸ = 4661000969 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 polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 377547 + ... + 389696.

Almost surely, 2^4661001225 is an apocalyptic number.

4661001225 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4661001225 is a deficient number, since it is larger than the sum of its proper divisors (3996580071).

4661001225 is an equidigital number, since it uses as much as digits as its factorization.

4661001225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 767268 (or 767251 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 4661001225 is about 68271.5257263231. The cubic root of 4661001225 is about 1670.4227866894.

Adding to 4661001225 its reverse (5221001664), we get a palindrome (9882002889).

The spelling of 4661001225 in words is "four billion, six hundred sixty-one million, one thousand, two hundred twenty-five".