2258637485 has 16 divisors (see below), whose sum is σ = 2940171696. Its totient is φ = 1655735808.

The previous prime is 2258637481. The next prime is 2258637487. The reversal of 2258637485 is 5847368522.

It can be written as a sum of positive squares in 8 ways, for example, as 106234249 + 2152403236 = 10307^2 + 46394^2 .

It is a cyclic number.

It is not a de Polignac number, because 2258637485 - 2² = 2258637481 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2258637481) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117914 + ... + 135723.

It is an arithmetic number, because the mean of its divisors is an integer number (183760731).

Almost surely, 2^2258637485 is an apocalyptic number.

It is an amenable number.

2258637485 is a deficient number, since it is larger than the sum of its proper divisors (681534211).

2258637485 is a wasteful number, since it uses less digits than its factorization.

2258637485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253792.

The product of its digits is 3225600, while the sum is 50.

The square root of 2258637485 is about 47525.1247762697. The cubic root of 2258637485 is about 1312.0453422651.

The spelling of 2258637485 in words is "two billion, two hundred fifty-eight million, six hundred thirty-seven thousand, four hundred eighty-five".