3437521457 has 2 divisors, whose sum is σ = 3437521458. Its totient is φ = 3437521456.

The previous prime is 3437521453. The next prime is 3437521469. The reversal of 3437521457 is 7541257343.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3125257216 + 312264241 = 55904^2 + 17671^2 .

It is an emirp because it is prime and its reverse (7541257343) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3437521457 - 2² = 3437521453 is a prime.

It is not a weakly prime, because it can be changed into another prime (3437521453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1718760728 + 1718760729.

It is an arithmetic number, because the mean of its divisors is an integer number (1718760729).

Almost surely, 2^3437521457 is an apocalyptic number.

It is an amenable number.

3437521457 is a deficient number, since it is larger than the sum of its proper divisors (1).

3437521457 is an equidigital number, since it uses as much as digits as its factorization.

3437521457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 352800, while the sum is 41.

The square root of 3437521457 is about 58630.3799834182. The cubic root of 3437521457 is about 1509.2058243589.

The spelling of 3437521457 in words is "three billion, four hundred thirty-seven million, five hundred twenty-one thousand, four hundred fifty-seven".