266072425 has 12 divisors (see below), whose sum is σ = 330510096. Its totient is φ = 212483600.

The previous prime is 266072383. The next prime is 266072459. The reversal of 266072425 is 524270662.

It is not a de Polignac number, because 266072425 - 2¹⁹ = 265548137 is a prime.

It is a Duffinian number.

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, 5610 + ... + 23740.

It is an arithmetic number, because the mean of its divisors is an integer number (27542508).

Almost surely, 2^266072425 is an apocalyptic number.

266072425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

266072425 is a deficient number, since it is larger than the sum of its proper divisors (64437671).

266072425 is a wasteful number, since it uses less digits than its factorization.

266072425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18728 (or 18723 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 266072425 is about 16311.7266100189. The cubic root of 266072425 is about 643.1811224702.

The spelling of 266072425 in words is "two hundred sixty-six million, seventy-two thousand, four hundred twenty-five".