361172825 has 12 divisors (see below), whose sum is σ = 482305068. Its totient is φ = 266712000.

The previous prime is 361172783. The next prime is 361172827. The reversal of 361172825 is 528271163.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 120209296 + 240963529 = 10964^2 + 15523^2 .

It is not a de Polignac number, because 361172825 - 2⁶ = 361172761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (361172827) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 555326 + ... + 555975.

It is an arithmetic number, because the mean of its divisors is an integer number (40192089).

Almost surely, 2^361172825 is an apocalyptic number.

It is an amenable number.

361172825 is a deficient number, since it is larger than the sum of its proper divisors (121132243).

361172825 is a wasteful number, since it uses less digits than its factorization.

361172825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1111324 (or 1111319 counting only the distinct ones).

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

The square root of 361172825 is about 19004.5474821160. The cubic root of 361172825 is about 712.1503444927.

The spelling of 361172825 in words is "three hundred sixty-one million, one hundred seventy-two thousand, eight hundred twenty-five".