1337225537 has 4 divisors (see below), whose sum is σ = 1369840836. Its totient is φ = 1304610240.

The previous prime is 1337225531. The next prime is 1337225551. The reversal of 1337225537 is 7355227331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7355227331 = 12503 ⋅588277.

It can be written as a sum of positive squares in 2 ways, for example, as 644956816 + 692268721 = 25396^2 + 26311^2 .

It is a cyclic number.

It is not a de Polignac number, because 1337225537 - 2²⁴ = 1320448321 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1337225537.

It is not an unprimeable number, because it can be changed into a prime (1337225531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16307588 + ... + 16307669.

It is an arithmetic number, because the mean of its divisors is an integer number (342460209).

Almost surely, 2^1337225537 is an apocalyptic number.

It is an amenable number.

1337225537 is a deficient number, since it is larger than the sum of its proper divisors (32615299).

1337225537 is an equidigital number, since it uses as much as digits as its factorization.

1337225537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32615298.

The product of its digits is 132300, while the sum is 38.

The square root of 1337225537 is about 36568.0945224112. The cubic root of 1337225537 is about 1101.7123569779.

The spelling of 1337225537 in words is "one billion, three hundred thirty-seven million, two hundred twenty-five thousand, five hundred thirty-seven".