250025497 has 2 divisors, whose sum is σ = 250025498. Its totient is φ = 250025496.

The previous prime is 250025491. The next prime is 250025513. The reversal of 250025497 is 794520052.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 249766416 + 259081 = 15804^2 + 509^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-250025497 is a prime.

It is not a weakly prime, because it can be changed into another prime (250025491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125012748 + 125012749.

It is an arithmetic number, because the mean of its divisors is an integer number (125012749).

Almost surely, 2^250025497 is an apocalyptic number.

It is an amenable number.

250025497 is a deficient number, since it is larger than the sum of its proper divisors (1).

250025497 is an equidigital number, since it uses as much as digits as its factorization.

250025497 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 250025497 is about 15812.1945662201. The cubic root of 250025497 is about 629.9819403574.

The spelling of 250025497 in words is "two hundred fifty million, twenty-five thousand, four hundred ninety-seven".