361974825 has 30 divisors (see below), whose sum is σ = 670506254. Its totient is φ = 193052160.

The previous prime is 361974799. The next prime is 361974887. The reversal of 361974825 is 528479163.

361974825 is a `hidden beast` number, since 3 + 619 + 7 + 4 + 8 + 25 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 670761 + 361304064 = 819^2 + 19008^2 .

It is not a de Polignac number, because 361974825 - 2⁹ = 361974313 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Duffinian number.

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 29 ways as a sum of consecutive naturals, for example, 87352 + ... + 91401.

Almost surely, 2^361974825 is an apocalyptic number.

It is an amenable number.

361974825 is a deficient number, since it is larger than the sum of its proper divisors (308531429).

361974825 is a wasteful number, since it uses less digits than its factorization.

361974825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178775 (or 178761 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 361974825 is about 19025.6359946258. The cubic root of 361974825 is about 712.6770751021.

The spelling of 361974825 in words is "three hundred sixty-one million, nine hundred seventy-four thousand, eight hundred twenty-five".