31252673 has 2 divisors, whose sum is σ = 31252674. Its totient is φ = 31252672.

The previous prime is 31252657. The next prime is 31252717. The reversal of 31252673 is 37625213.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30558784 + 693889 = 5528^2 + 833^2 .

It is an emirp because it is prime and its reverse (37625213) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 31252673 - 2⁴ = 31252657 is a prime.

It is not a weakly prime, because it can be changed into another prime (31254673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15626336 + 15626337.

It is an arithmetic number, because the mean of its divisors is an integer number (15626337).

Almost surely, 2^31252673 is an apocalyptic number.

It is an amenable number.

31252673 is a deficient number, since it is larger than the sum of its proper divisors (1).

31252673 is an equidigital number, since it uses as much as digits as its factorization.

31252673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7560, while the sum is 29.

The square root of 31252673 is about 5590.4090190254. The cubic root of 31252673 is about 314.9892429349.

Adding to 31252673 its reverse (37625213), we get a palindrome (68877886).

The spelling of 31252673 in words is "thirty-one million, two hundred fifty-two thousand, six hundred seventy-three".