737085409 has 2 divisors, whose sum is σ = 737085410. Its totient is φ = 737085408.

The previous prime is 737085397. The next prime is 737085421. The reversal of 737085409 is 904580737.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (737085397) and next prime (737085421).

It can be written as a sum of positive squares in only one way, i.e., 703734784 + 33350625 = 26528^2 + 5775^2 .

It is a cyclic number.

It is not a de Polignac number, because 737085409 - 2⁷ = 737085281 is a prime.

It is not a weakly prime, because it can be changed into another prime (737085809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 368542704 + 368542705.

It is an arithmetic number, because the mean of its divisors is an integer number (368542705).

Almost surely, 2^737085409 is an apocalyptic number.

It is an amenable number.

737085409 is a deficient number, since it is larger than the sum of its proper divisors (1).

737085409 is an equidigital number, since it uses as much as digits as its factorization.

737085409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 211680, while the sum is 43.

The square root of 737085409 is about 27149.3169159005. The cubic root of 737085409 is about 903.3151028064.

The spelling of 737085409 in words is "seven hundred thirty-seven million, eighty-five thousand, four hundred nine".