36697225 has 6 divisors (see below), whose sum is σ = 45504590. Its totient is φ = 29357760.

The previous prime is 36697223. The next prime is 36697261. The reversal of 36697225 is 52279663.

It can be written as a sum of positive squares in 3 ways, for example, as 8596624 + 28100601 = 2932^2 + 5301^2 .

It is not a de Polignac number, because 36697225 - 2¹ = 36697223 is a prime.

It is not an unprimeable number, because it can be changed into a prime (36697223) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 733920 + ... + 733969.

Almost surely, 2^36697225 is an apocalyptic number.

It is an amenable number.

36697225 is a deficient number, since it is larger than the sum of its proper divisors (8807365).

36697225 is a wasteful number, since it uses less digits than its factorization.

36697225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1467899 (or 1467894 counting only the distinct ones).

The product of its digits is 136080, while the sum is 40.

The square root of 36697225 is about 6057.8234540138. The cubic root of 36697225 is about 332.3107634827.

It can be divided in two parts, 36 and 697225, that multiplied together give a square (25100100 = 5010²).

The spelling of 36697225 in words is "thirty-six million, six hundred ninety-seven thousand, two hundred twenty-five".