406272751 has 2 divisors, whose sum is σ = 406272752. Its totient is φ = 406272750.

The previous prime is 406272707. The next prime is 406272809. The reversal of 406272751 is 157272604.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 406272751 - 2¹¹ = 406270703 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (406272151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203136375 + 203136376.

It is an arithmetic number, because the mean of its divisors is an integer number (203136376).

Almost surely, 2^406272751 is an apocalyptic number.

406272751 is a deficient number, since it is larger than the sum of its proper divisors (1).

406272751 is an equidigital number, since it uses as much as digits as its factorization.

406272751 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 406272751 is about 20156.2087456942. The cubic root of 406272751 is about 740.6378424331.

The spelling of 406272751 in words is "four hundred six million, two hundred seventy-two thousand, seven hundred fifty-one".