264156425 has 48 divisors (see below), whose sum is σ = 368643072. Its totient is φ = 186451200.

The previous prime is 264156419. The next prime is 264156427. The reversal of 264156425 is 524651462.

It is not a de Polignac number, because 264156425 - 2¹⁶ = 264090889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (264156427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1581692 + ... + 1581858.

It is an arithmetic number, because the mean of its divisors is an integer number (7680064).

Almost surely, 2^264156425 is an apocalyptic number.

264156425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

264156425 is a deficient number, since it is larger than the sum of its proper divisors (104486647).

264156425 is a wasteful number, since it uses less digits than its factorization.

264156425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378 (or 373 counting only the distinct ones).

The product of its digits is 57600, while the sum is 35.

The square root of 264156425 is about 16252.8897430580. The cubic root of 264156425 is about 641.6335426390.

The spelling of 264156425 in words is "two hundred sixty-four million, one hundred fifty-six thousand, four hundred twenty-five".