7125019061 has 2 divisors, whose sum is σ = 7125019062. Its totient is φ = 7125019060.

The previous prime is 7125019037. The next prime is 7125019081. The reversal of 7125019061 is 1609105217.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6419054161 + 705964900 = 80119^2 + 26570^2 .

It is an emirp because it is prime and its reverse (1609105217) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7125019061 - 2²² = 7120824757 is a prime.

It is a super-2 number, since 2×7125019061² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7125019081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3562509530 + 3562509531.

It is an arithmetic number, because the mean of its divisors is an integer number (3562509531).

Almost surely, 2^7125019061 is an apocalyptic number.

It is an amenable number.

7125019061 is a deficient number, since it is larger than the sum of its proper divisors (1).

7125019061 is an equidigital number, since it uses as much as digits as its factorization.

7125019061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3780, while the sum is 32.

The square root of 7125019061 is about 84409.8279882147. The cubic root of 7125019061 is about 1924.2522815732.

The spelling of 7125019061 in words is "seven billion, one hundred twenty-five million, nineteen thousand, sixty-one".