2256545407 has 2 divisors, whose sum is σ = 2256545408. Its totient is φ = 2256545406.

The previous prime is 2256545383. The next prime is 2256545429. The reversal of 2256545407 is 7045456522.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2256545407 - 2¹⁵ = 2256512639 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2256545407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2256545107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1128272703 + 1128272704.

It is an arithmetic number, because the mean of its divisors is an integer number (1128272704).

Almost surely, 2^2256545407 is an apocalyptic number.

2256545407 is a deficient number, since it is larger than the sum of its proper divisors (1).

2256545407 is an equidigital number, since it uses as much as digits as its factorization.

2256545407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336000, while the sum is 40.

The square root of 2256545407 is about 47503.1094455931. The cubic root of 2256545407 is about 1311.6401202165.

The spelling of 2256545407 in words is "two billion, two hundred fifty-six million, five hundred forty-five thousand, four hundred seven".