564201001261 has 2 divisors, whose sum is σ = 564201001262. Its totient is φ = 564201001260.

The previous prime is 564201001253. The next prime is 564201001267. The reversal of 564201001261 is 162100102465.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 383911595236 + 180289406025 = 619606^2 + 424605^2 .

It is a cyclic number.

It is not a de Polignac number, because 564201001261 - 2³ = 564201001253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (564201001267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282100500630 + 282100500631.

It is an arithmetic number, because the mean of its divisors is an integer number (282100500631).

Almost surely, 2^564201001261 is an apocalyptic number.

It is an amenable number.

564201001261 is a deficient number, since it is larger than the sum of its proper divisors (1).

564201001261 is an equidigital number, since it uses as much as digits as its factorization.

564201001261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 28.

The spelling of 564201001261 in words is "five hundred sixty-four billion, two hundred one million, one thousand, two hundred sixty-one".