37216489 has 2 divisors, whose sum is σ = 37216490. Its totient is φ = 37216488.

The previous prime is 37216477. The next prime is 37216499. The reversal of 37216489 is 98461273.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28005264 + 9211225 = 5292^2 + 3035^2 .

It is a cyclic number.

It is not a de Polignac number, because 37216489 - 2⁹ = 37215977 is a prime.

It is not a weakly prime, because it can be changed into another prime (37216499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18608244 + 18608245.

It is an arithmetic number, because the mean of its divisors is an integer number (18608245).

Almost surely, 2^37216489 is an apocalyptic number.

It is an amenable number.

37216489 is a deficient number, since it is larger than the sum of its proper divisors (1).

37216489 is an equidigital number, since it uses as much as digits as its factorization.

37216489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72576, while the sum is 40.

The square root of 37216489 is about 6100.5318620592. The cubic root of 37216489 is about 333.8708220740.

It can be divided in two parts, 372 and 16489, that added together give a palindrome (16861).

The spelling of 37216489 in words is "thirty-seven million, two hundred sixteen thousand, four hundred eighty-nine".