7236811061 has 6 divisors (see below), whose sum is σ = 7486830210. Its totient is φ = 6986823536.

The previous prime is 7236810989. The next prime is 7236811081. The reversal of 7236811061 is 1601186327.

It can be written as a sum of positive squares in 3 ways, for example, as 2597838961 + 4638972100 = 50969^2 + 68110^2 .

It is a de Polignac number, because none of the positive numbers 2^k-7236811061 is a prime.

It is a super-2 number, since 2×7236811061² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7236811081) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 450215 + ... + 466011.

It is an arithmetic number, because the mean of its divisors is an integer number (1247805035).

Almost surely, 2^7236811061 is an apocalyptic number.

It is an amenable number.

7236811061 is a deficient number, since it is larger than the sum of its proper divisors (250019149).

7236811061 is an frugal number, since it uses more digits than its factorization.

7236811061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31623 (or 15826 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 7236811061 is about 85069.4484583038. The cubic root of 7236811061 is about 1934.2639813485.

Adding to 7236811061 its reverse (1601186327), we get a palindrome (8837997388).

The spelling of 7236811061 in words is "seven billion, two hundred thirty-six million, eight hundred eleven thousand, sixty-one".