5261520610 has 32 divisors (see below), whose sum is σ = 9520206192. Its totient is φ = 2093644800.

The previous prime is 5261520571. The next prime is 5261520617. The reversal of 5261520610 is 160251625.

It can be written as a sum of positive squares in 8 ways, for example, as 2048558121 + 3212962489 = 45261^2 + 56683^2 .

It is not an unprimeable number, because it can be changed into a prime (5261520617) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1879732 + ... + 1882528.

Almost surely, 2^5261520610 is an apocalyptic number.

5261520610 is a deficient number, since it is larger than the sum of its proper divisors (4258685582).

5261520610 is a wasteful number, since it uses less digits than its factorization.

5261520610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3718.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 5261520610 is about 72536.3399269635. The cubic root of 5261520610 is about 1739.2836935760.

The spelling of 5261520610 in words is "five billion, two hundred sixty-one million, five hundred twenty thousand, six hundred ten".