4554212261 has 2 divisors, whose sum is σ = 4554212262. Its totient is φ = 4554212260.

The previous prime is 4554212231. The next prime is 4554212269. The reversal of 4554212261 is 1622124554.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3068495236 + 1485717025 = 55394^2 + 38545^2 .

It is a cyclic number.

It is not a de Polignac number, because 4554212261 - 2³⁰ = 3480470437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4554212269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2277106130 + 2277106131.

It is an arithmetic number, because the mean of its divisors is an integer number (2277106131).

Almost surely, 2^4554212261 is an apocalyptic number.

It is an amenable number.

4554212261 is a deficient number, since it is larger than the sum of its proper divisors (1).

4554212261 is an equidigital number, since it uses as much as digits as its factorization.

4554212261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19200, while the sum is 32.

The square root of 4554212261 is about 67484.9039489574. The cubic root of 4554212261 is about 1657.5669903849.

The spelling of 4554212261 in words is "four billion, five hundred fifty-four million, two hundred twelve thousand, two hundred sixty-one".