4612615261 has 2 divisors, whose sum is σ = 4612615262. Its totient is φ = 4612615260.

The previous prime is 4612615207. The next prime is 4612615277. The reversal of 4612615261 is 1625162164.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2930056900 + 1682558361 = 54130^2 + 41019^2 .

It is a cyclic number.

It is not a de Polignac number, because 4612615261 - 2¹⁵ = 4612582493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4612615061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2306307630 + 2306307631.

It is an arithmetic number, because the mean of its divisors is an integer number (2306307631).

Almost surely, 2^4612615261 is an apocalyptic number.

It is an amenable number.

4612615261 is a deficient number, since it is larger than the sum of its proper divisors (1).

4612615261 is an equidigital number, since it uses as much as digits as its factorization.

4612615261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 34.

The square root of 4612615261 is about 67916.2370939380. The cubic root of 4612615261 is about 1664.6224361291.

The spelling of 4612615261 in words is "four billion, six hundred twelve million, six hundred fifteen thousand, two hundred sixty-one".