2273520525 has 24 divisors (see below), whose sum is σ = 3956725920. Its totient is φ = 1148725440.

The previous prime is 2273520521. The next prime is 2273520527. The reversal of 2273520525 is 5250253722.

It is not a de Polignac number, because 2273520525 - 2² = 2273520521 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2273520521) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 796302 + ... + 799151.

It is an arithmetic number, because the mean of its divisors is an integer number (164863580).

Almost surely, 2^2273520525 is an apocalyptic number.

2273520525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2273520525 is a deficient number, since it is larger than the sum of its proper divisors (1683205395).

2273520525 is a wasteful number, since it uses less digits than its factorization.

2273520525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1595485 (or 1595480 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 33.

The square root of 2273520525 is about 47681.4484364726. The cubic root of 2273520525 is about 1314.9208942954.

The spelling of 2273520525 in words is "two billion, two hundred seventy-three million, five hundred twenty thousand, five hundred twenty-five".