37540003 has 2 divisors, whose sum is σ = 37540004. Its totient is φ = 37540002.

The previous prime is 37540001. The next prime is 37540021. The reversal of 37540003 is 30004573.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 37540003 - 2¹ = 37540001 is a prime.

Together with 37540001, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (37540001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18770001 + 18770002.

It is an arithmetic number, because the mean of its divisors is an integer number (18770002).

Almost surely, 2^37540003 is an apocalyptic number.

37540003 is a deficient number, since it is larger than the sum of its proper divisors (1).

37540003 is an equidigital number, since it uses as much as digits as its factorization.

37540003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1260, while the sum is 22.

The square root of 37540003 is about 6126.9897176346. The cubic root of 37540003 is about 334.8354519730.

Adding to 37540003 its reverse (30004573), we get a palindrome (67544576).

The spelling of 37540003 in words is "thirty-seven million, five hundred forty thousand, three".