1071634537 has 2 divisors, whose sum is σ = 1071634538. Its totient is φ = 1071634536.

The previous prime is 1071634517. The next prime is 1071634547. The reversal of 1071634537 is 7354361701.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 969139161 + 102495376 = 31131^2 + 10124^2 .

It is a cyclic number.

It is not a de Polignac number, because 1071634537 - 2¹¹ = 1071632489 is a prime.

It is a super-2 number, since 2×1071634537² = 2296801161782408738, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1071634496 and 1071634505.

It is not a weakly prime, because it can be changed into another prime (1071634517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 535817268 + 535817269.

It is an arithmetic number, because the mean of its divisors is an integer number (535817269).

Almost surely, 2^1071634537 is an apocalyptic number.

It is an amenable number.

1071634537 is a deficient number, since it is larger than the sum of its proper divisors (1).

1071634537 is an equidigital number, since it uses as much as digits as its factorization.

1071634537 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52920, while the sum is 37.

The square root of 1071634537 is about 32735.8295602846. The cubic root of 1071634537 is about 1023.3296727922.

The spelling of 1071634537 in words is "one billion, seventy-one million, six hundred thirty-four thousand, five hundred thirty-seven".