538951291 has 2 divisors, whose sum is σ = 538951292. Its totient is φ = 538951290.

The previous prime is 538951261. The next prime is 538951333. The reversal of 538951291 is 192159835.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 538951291 - 2¹³ = 538943099 is a prime.

It is not a weakly prime, because it can be changed into another prime (538951201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269475645 + 269475646.

It is an arithmetic number, because the mean of its divisors is an integer number (269475646).

Almost surely, 2^538951291 is an apocalyptic number.

538951291 is a deficient number, since it is larger than the sum of its proper divisors (1).

538951291 is an equidigital number, since it uses as much as digits as its factorization.

538951291 is an evil number, because the sum of its binary digits is even.

The product of its digits is 97200, while the sum is 43.

The square root of 538951291 is about 23215.3244862095. The cubic root of 538951291 is about 813.7977888771.

The spelling of 538951291 in words is "five hundred thirty-eight million, nine hundred fifty-one thousand, two hundred ninety-one".