536721377 has 2 divisors, whose sum is σ = 536721378. Its totient is φ = 536721376.

The previous prime is 536721337. The next prime is 536721379. The reversal of 536721377 is 773127635.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 329821921 + 206899456 = 18161^2 + 14384^2 .

It is a cyclic number.

It is not a de Polignac number, because 536721377 - 2¹⁶ = 536655841 is a prime.

It is a super-2 number, since 2×536721377² = 576139673057552258, which contains 22 as substring.

Together with 536721379, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (536721379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 268360688 + 268360689.

It is an arithmetic number, because the mean of its divisors is an integer number (268360689).

Almost surely, 2^536721377 is an apocalyptic number.

It is an amenable number.

536721377 is a deficient number, since it is larger than the sum of its proper divisors (1).

536721377 is an equidigital number, since it uses as much as digits as its factorization.

536721377 is an evil number, because the sum of its binary digits is even.

The product of its digits is 185220, while the sum is 41.

The square root of 536721377 is about 23167.2479375518. The cubic root of 536721377 is about 812.6738730690.

The spelling of 536721377 in words is "five hundred thirty-six million, seven hundred twenty-one thousand, three hundred seventy-seven".