1405055537 has 2 divisors, whose sum is σ = 1405055538. Its totient is φ = 1405055536.

The previous prime is 1405055513. The next prime is 1405055557. The reversal of 1405055537 is 7355505041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1339267216 + 65788321 = 36596^2 + 8111^2 .

It is a cyclic number.

It is not a de Polignac number, because 1405055537 - 2³⁰ = 331313713 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1405055497 and 1405055506.

It is not a weakly prime, because it can be changed into another prime (1405055557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 702527768 + 702527769.

It is an arithmetic number, because the mean of its divisors is an integer number (702527769).

Almost surely, 2^1405055537 is an apocalyptic number.

It is an amenable number.

1405055537 is a deficient number, since it is larger than the sum of its proper divisors (1).

1405055537 is an equidigital number, since it uses as much as digits as its factorization.

1405055537 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52500, while the sum is 35.

The square root of 1405055537 is about 37484.0704433230. The cubic root of 1405055537 is about 1120.0338895464.

The spelling of 1405055537 in words is "one billion, four hundred five million, fifty-five thousand, five hundred thirty-seven".