537660971 has 2 divisors, whose sum is σ = 537660972. Its totient is φ = 537660970.

The previous prime is 537660967. The next prime is 537660979. The reversal of 537660971 is 179066735.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 537660971 - 2² = 537660967 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (537660979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 268830485 + 268830486.

It is an arithmetic number, because the mean of its divisors is an integer number (268830486).

Almost surely, 2^537660971 is an apocalyptic number.

537660971 is a deficient number, since it is larger than the sum of its proper divisors (1).

537660971 is an equidigital number, since it uses as much as digits as its factorization.

537660971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 238140, while the sum is 44.

The square root of 537660971 is about 23187.5175687265. The cubic root of 537660971 is about 813.1478237255.

The spelling of 537660971 in words is "five hundred thirty-seven million, six hundred sixty thousand, nine hundred seventy-one".