387161225 has 48 divisors (see below), whose sum is σ = 539965440. Its totient is φ = 273000000.

The previous prime is 387161221. The next prime is 387161239. The reversal of 387161225 is 522161783.

It is a happy number.

It is not a de Polignac number, because 387161225 - 2² = 387161221 is a prime.

It is not an unprimeable number, because it can be changed into a prime (387161221) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1542350 + ... + 1542600.

It is an arithmetic number, because the mean of its divisors is an integer number (11249280).

Almost surely, 2^387161225 is an apocalyptic number.

It is an amenable number.

387161225 is a deficient number, since it is larger than the sum of its proper divisors (152804215).

387161225 is a wasteful number, since it uses less digits than its factorization.

387161225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422 (or 417 counting only the distinct ones).

The product of its digits is 20160, while the sum is 35.

The square root of 387161225 is about 19676.4129098777. The cubic root of 387161225 is about 728.8373467264.

The spelling of 387161225 in words is "three hundred eighty-seven million, one hundred sixty-one thousand, two hundred twenty-five".