537642407 has 2 divisors, whose sum is σ = 537642408. Its totient is φ = 537642406.

The previous prime is 537642403. The next prime is 537642421. The reversal of 537642407 is 704246735.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 537642407 - 2² = 537642403 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (537642403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 268821203 + 268821204.

It is an arithmetic number, because the mean of its divisors is an integer number (268821204).

Almost surely, 2^537642407 is an apocalyptic number.

537642407 is a deficient number, since it is larger than the sum of its proper divisors (1).

537642407 is an equidigital number, since it uses as much as digits as its factorization.

537642407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 141120, while the sum is 38.

The square root of 537642407 is about 23187.1172636876. The cubic root of 537642407 is about 813.1384650089.

The spelling of 537642407 in words is "five hundred thirty-seven million, six hundred forty-two thousand, four hundred seven".