536451521 has 2 divisors, whose sum is σ = 536451522. Its totient is φ = 536451520.

The previous prime is 536451479. The next prime is 536451533. The reversal of 536451521 is 125154635.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 536431921 + 19600 = 23161^2 + 140^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-536451521 is a prime.

It is a super-3 number, since 3×536451521³ (a number of 27 digits) contains 333 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (536454521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 268225760 + 268225761.

It is an arithmetic number, because the mean of its divisors is an integer number (268225761).

Almost surely, 2^536451521 is an apocalyptic number.

It is an amenable number.

536451521 is a deficient number, since it is larger than the sum of its proper divisors (1).

536451521 is an equidigital number, since it uses as much as digits as its factorization.

536451521 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18000, while the sum is 32.

The square root of 536451521 is about 23161.4231212160. The cubic root of 536451521 is about 812.5376498845.

The spelling of 536451521 in words is "five hundred thirty-six million, four hundred fifty-one thousand, five hundred twenty-one".