37134521 has 2 divisors, whose sum is σ = 37134522. Its totient is φ = 37134520.

The previous prime is 37134509. The next prime is 37134533. The reversal of 37134521 is 12543173.

It is a balanced prime because it is at equal distance from previous prime (37134509) and next prime (37134533).

It can be written as a sum of positive squares in only one way, i.e., 21492496 + 15642025 = 4636^2 + 3955^2 .

It is a cyclic number.

It is not a de Polignac number, because 37134521 - 2¹⁸ = 36872377 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (37137521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18567260 + 18567261.

It is an arithmetic number, because the mean of its divisors is an integer number (18567261).

Almost surely, 2^37134521 is an apocalyptic number.

It is an amenable number.

37134521 is a deficient number, since it is larger than the sum of its proper divisors (1).

37134521 is an equidigital number, since it uses as much as digits as its factorization.

37134521 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2520, while the sum is 26.

The square root of 37134521 is about 6093.8100561143. The cubic root of 37134521 is about 333.6255290124.

Adding to 37134521 its reverse (12543173), we get a palindrome (49677694).

The spelling of 37134521 in words is "thirty-seven million, one hundred thirty-four thousand, five hundred twenty-one".