7292492251 has 6 divisors (see below), whose sum is σ = 8015714756. Its totient is φ = 6629538300.

The previous prime is 7292492243. The next prime is 7292492267. The reversal of 7292492251 is 1522942927.

It is not a de Polignac number, because 7292492251 - 2³ = 7292492243 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7292492198 and 7292492207.

It is not an unprimeable number, because it can be changed into a prime (7292492281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30134145 + ... + 30134386.

Almost surely, 2^7292492251 is an apocalyptic number.

7292492251 is a deficient number, since it is larger than the sum of its proper divisors (723222505).

7292492251 is a wasteful number, since it uses less digits than its factorization.

7292492251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60268553 (or 60268542 counting only the distinct ones).

The product of its digits is 181440, while the sum is 43.

The square root of 7292492251 is about 85396.0903730376. The cubic root of 7292492251 is about 1939.2121584873.

The spelling of 7292492251 in words is "seven billion, two hundred ninety-two million, four hundred ninety-two thousand, two hundred fifty-one".