536269621 has 2 divisors, whose sum is σ = 536269622. Its totient is φ = 536269620.

The previous prime is 536269619. The next prime is 536269691. The reversal of 536269621 is 126962635.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 485717521 + 50552100 = 22039^2 + 7110^2 .

It is a cyclic number.

It is not a de Polignac number, because 536269621 - 2¹ = 536269619 is a prime.

Together with 536269619, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (536269691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 268134810 + 268134811.

It is an arithmetic number, because the mean of its divisors is an integer number (268134811).

Almost surely, 2^536269621 is an apocalyptic number.

It is an amenable number.

536269621 is a deficient number, since it is larger than the sum of its proper divisors (1).

536269621 is an equidigital number, since it uses as much as digits as its factorization.

536269621 is an evil number, because the sum of its binary digits is even.

The product of its digits is 116640, while the sum is 40.

The square root of 536269621 is about 23157.4960002156. The cubic root of 536269621 is about 812.4458010711.

The spelling of 536269621 in words is "five hundred thirty-six million, two hundred sixty-nine thousand, six hundred twenty-one".