31764125 has 24 divisors (see below), whose sum is σ = 40877304. Its totient is φ = 24638400.

The previous prime is 31764121. The next prime is 31764137. The reversal of 31764125 is 52146713.

It can be written as a sum of positive squares in 4 ways, for example, as 1006009 + 30758116 = 1003^2 + 5546^2 .

It is not a de Polignac number, because 31764125 - 2² = 31764121 is a prime.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31764121) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 435089 + ... + 435161.

It is an arithmetic number, because the mean of its divisors is an integer number (1703221).

Almost surely, 2^31764125 is an apocalyptic number.

It is an amenable number.

31764125 is a deficient number, since it is larger than the sum of its proper divisors (9113179).

31764125 is an frugal number, since it uses more digits than its factorization.

31764125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206 (or 137 counting only the distinct ones).

The product of its digits is 5040, while the sum is 29.

The square root of 31764125 is about 5635.9670864901. The cubic root of 31764125 is about 316.6982270791.

The spelling of 31764125 in words is "thirty-one million, seven hundred sixty-four thousand, one hundred twenty-five".