7256250994 has 4 divisors (see below), whose sum is σ = 10884376494. Its totient is φ = 3628125496.

The previous prime is 7256250973. The next prime is 7256251001. The reversal of 7256250994 is 4990526527.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4990526527 = 7 ⋅712932361.

It can be written as a sum of positive squares in only one way, i.e., 6771150369 + 485100625 = 82287^2 + 22025^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1814062747 + ... + 1814062750.

Almost surely, 2^7256250994 is an apocalyptic number.

7256250994 is a deficient number, since it is larger than the sum of its proper divisors (3628125500).

7256250994 is a wasteful number, since it uses less digits than its factorization.

7256250994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3628125499.

The product of its (nonzero) digits is 1360800, while the sum is 49.

The square root of 7256250994 is about 85183.6310214586. The cubic root of 7256250994 is about 1935.9944094120.

The spelling of 7256250994 in words is "seven billion, two hundred fifty-six million, two hundred fifty thousand, nine hundred ninety-four".