2252636487 has 24 divisors (see below), whose sum is σ = 3429658960. Its totient is φ = 1477128960.

The previous prime is 2252636467. The next prime is 2252636521. The reversal of 2252636487 is 7846362522.

2252636487 is a `hidden beast` number, since 2 + 2 + 5 + 2 + 636 + 4 + 8 + 7 = 666.

It is not a de Polignac number, because 2252636487 - 2¹⁶ = 2252570951 is a prime.

It is a super-2 number, since 2×2252636487² = 10148742285127402338, 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 (2252636417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 61162 + ... + 90807.

Almost surely, 2^2252636487 is an apocalyptic number.

2252636487 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

2252636487 is a deficient number, since it is larger than the sum of its proper divisors (1177022473).

2252636487 is an equidigital number, since it uses as much as digits as its factorization.

2252636487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152045 (or 152033 counting only the distinct ones).

The product of its digits is 967680, while the sum is 45.

The square root of 2252636487 is about 47461.9477792473. The cubic root of 2252636487 is about 1310.8823158871.

The spelling of 2252636487 in words is "two billion, two hundred fifty-two million, six hundred thirty-six thousand, four hundred eighty-seven".