35072231261 has 2 divisors, whose sum is σ = 35072231262. Its totient is φ = 35072231260.

The previous prime is 35072231231. The next prime is 35072231263. The reversal of 35072231261 is 16213227053.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24650884036 + 10421347225 = 157006^2 + 102085^2 .

It is an emirp because it is prime and its reverse (16213227053) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-35072231261 is a prime.

It is a super-2 number, since 2×35072231261² (a number of 22 digits) contains 22 as substring.

Together with 35072231263, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (35072231263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17536115630 + 17536115631.

It is an arithmetic number, because the mean of its divisors is an integer number (17536115631).

Almost surely, 2^35072231261 is an apocalyptic number.

It is an amenable number.

35072231261 is a deficient number, since it is larger than the sum of its proper divisors (1).

35072231261 is an equidigital number, since it uses as much as digits as its factorization.

35072231261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 32.

The spelling of 35072231261 in words is "thirty-five billion, seventy-two million, two hundred thirty-one thousand, two hundred sixty-one".