25264777 has 2 divisors, whose sum is σ = 25264778. Its totient is φ = 25264776.

The previous prime is 25264751. The next prime is 25264793. The reversal of 25264777 is 77746252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22240656 + 3024121 = 4716^2 + 1739^2 .

It is a cyclic number.

It is not a de Polignac number, because 25264777 - 2¹¹ = 25262729 is a prime.

It is not a weakly prime, because it can be changed into another prime (25264277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12632388 + 12632389.

It is an arithmetic number, because the mean of its divisors is an integer number (12632389).

Almost surely, 2^25264777 is an apocalyptic number.

It is an amenable number.

25264777 is a deficient number, since it is larger than the sum of its proper divisors (1).

25264777 is an equidigital number, since it uses as much as digits as its factorization.

25264777 is an evil number, because the sum of its binary digits is even.

The product of its digits is 164640, while the sum is 40.

The square root of 25264777 is about 5026.4079619545. The cubic root of 25264777 is about 293.4304343078.

The spelling of 25264777 in words is "twenty-five million, two hundred sixty-four thousand, seven hundred seventy-seven".