488251397 has 2 divisors, whose sum is σ = 488251398. Its totient is φ = 488251396.

The previous prime is 488251367. The next prime is 488251399. The reversal of 488251397 is 793152884.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 409414756 + 78836641 = 20234^2 + 8879^2 .

It is a cyclic number.

It is not a de Polignac number, because 488251397 - 2²⁴ = 471474181 is a prime.

Together with 488251399, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (488251399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244125698 + 244125699.

It is an arithmetic number, because the mean of its divisors is an integer number (244125699).

Almost surely, 2^488251397 is an apocalyptic number.

It is an amenable number.

488251397 is a deficient number, since it is larger than the sum of its proper divisors (1).

488251397 is an equidigital number, since it uses as much as digits as its factorization.

488251397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 483840, while the sum is 47.

The square root of 488251397 is about 22096.4114054749. The cubic root of 488251397 is about 787.4346078900.

The spelling of 488251397 in words is "four hundred eighty-eight million, two hundred fifty-one thousand, three hundred ninety-seven".