438125497 has 2 divisors, whose sum is σ = 438125498. Its totient is φ = 438125496.

The previous prime is 438125491. The next prime is 438125509. The reversal of 438125497 is 794521834.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 367834041 + 70291456 = 19179^2 + 8384^2 .

It is a cyclic number.

It is not a de Polignac number, because 438125497 - 2¹¹ = 438123449 is a prime.

It is a super-2 number, since 2×438125497² = 383907902242994018, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (438125491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 219062748 + 219062749.

It is an arithmetic number, because the mean of its divisors is an integer number (219062749).

Almost surely, 2^438125497 is an apocalyptic number.

It is an amenable number.

438125497 is a deficient number, since it is larger than the sum of its proper divisors (1).

438125497 is an equidigital number, since it uses as much as digits as its factorization.

438125497 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 241920, while the sum is 43.

The square root of 438125497 is about 20931.4475610264. The cubic root of 438125497 is about 759.5088568405.

The spelling of 438125497 in words is "four hundred thirty-eight million, one hundred twenty-five thousand, four hundred ninety-seven".