7001250257 has 2 divisors, whose sum is σ = 7001250258. Its totient is φ = 7001250256.

The previous prime is 7001250253. The next prime is 7001250287. The reversal of 7001250257 is 7520521007.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3953768641 + 3047481616 = 62879^2 + 55204^2 .

It is an emirp because it is prime and its reverse (7520521007) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7001250257 - 2² = 7001250253 is a prime.

It is a super-2 number, since 2×7001250257² = 98035010322285132098, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7001250251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3500625128 + 3500625129.

It is an arithmetic number, because the mean of its divisors is an integer number (3500625129).

Almost surely, 2^7001250257 is an apocalyptic number.

It is an amenable number.

7001250257 is a deficient number, since it is larger than the sum of its proper divisors (1).

7001250257 is an equidigital number, since it uses as much as digits as its factorization.

7001250257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4900, while the sum is 29.

The square root of 7001250257 is about 83673.4740344872. The cubic root of 7001250257 is about 1913.0450643546.

The spelling of 7001250257 in words is "seven billion, one million, two hundred fifty thousand, two hundred fifty-seven".