525144379 has 2 divisors, whose sum is σ = 525144380. Its totient is φ = 525144378.

The previous prime is 525144317. The next prime is 525144421. The reversal of 525144379 is 973441525.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 525144379 - 2¹⁹ = 524620091 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (525144479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262572189 + 262572190.

It is an arithmetic number, because the mean of its divisors is an integer number (262572190).

Almost surely, 2^525144379 is an apocalyptic number.

525144379 is a deficient number, since it is larger than the sum of its proper divisors (1).

525144379 is an equidigital number, since it uses as much as digits as its factorization.

525144379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 151200, while the sum is 40.

The square root of 525144379 is about 22916.0288662761. The cubic root of 525144379 is about 806.7882670960.

The spelling of 525144379 in words is "five hundred twenty-five million, one hundred forty-four thousand, three hundred seventy-nine".