225045511 has 4 divisors (see below), whose sum is σ = 226188072. Its totient is φ = 223902952.

The previous prime is 225045479. The next prime is 225045517. The reversal of 225045511 is 115540522.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 115540522 = 2 ⋅57770261.

It is a cyclic number.

It is not a de Polignac number, because 225045511 - 2⁵ = 225045479 is a prime.

It is a super-2 number, since 2×225045511² = 101290964042502242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225045517) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 570985 + ... + 571378.

It is an arithmetic number, because the mean of its divisors is an integer number (56547018).

Almost surely, 2^225045511 is an apocalyptic number.

225045511 is a deficient number, since it is larger than the sum of its proper divisors (1142561).

225045511 is a wasteful number, since it uses less digits than its factorization.

225045511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1142560.

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 225045511 is about 15001.5169566281. The cubic root of 225045511 is about 608.2612052512.

The spelling of 225045511 in words is "two hundred twenty-five million, forty-five thousand, five hundred eleven".