523467149 has 2 divisors, whose sum is σ = 523467150. Its totient is φ = 523467148.

The previous prime is 523467107. The next prime is 523467173. The reversal of 523467149 is 941764325.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 444577225 + 78889924 = 21085^2 + 8882^2 .

It is a cyclic number.

It is not a de Polignac number, because 523467149 - 2⁸ = 523466893 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (523467199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261733574 + 261733575.

It is an arithmetic number, because the mean of its divisors is an integer number (261733575).

Almost surely, 2^523467149 is an apocalyptic number.

It is an amenable number.

523467149 is a deficient number, since it is larger than the sum of its proper divisors (1).

523467149 is an equidigital number, since it uses as much as digits as its factorization.

523467149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 181440, while the sum is 41.

The square root of 523467149 is about 22879.4044721448. The cubic root of 523467149 is about 805.9284320324.

It can be divided in two parts, 52346 and 7149, that added together give a palindrome (59495).

The spelling of 523467149 in words is "five hundred twenty-three million, four hundred sixty-seven thousand, one hundred forty-nine".