265261601425 has 12 divisors (see below), whose sum is σ = 328938790320. Its totient is φ = 212199987920.

The previous prime is 265261601419. The next prime is 265261601431. The reversal of 265261601425 is 524106162562.

It is a happy number.

265261601425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (265261601419) and next prime (265261601431).

It is not a de Polignac number, because 265261601425 - 2⁹ = 265261600913 is a prime.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 381786 + ... + 822364.

It is an arithmetic number, because the mean of its divisors is an integer number (27411565860).

Almost surely, 2^265261601425 is an apocalyptic number.

265261601425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

265261601425 is a deficient number, since it is larger than the sum of its proper divisors (63677188895).

265261601425 is a wasteful number, since it uses less digits than its factorization.

265261601425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464672 (or 464667 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 40.

Adding to 265261601425 its reverse (524106162562), we get a palindrome (789367763987).

The spelling of 265261601425 in words is "two hundred sixty-five billion, two hundred sixty-one million, six hundred one thousand, four hundred twenty-five".