2187355254 has 32 divisors (see below), whose sum is σ = 5011100160. Its totient is φ = 623529792.

The previous prime is 2187355253. The next prime is 2187355273. The reversal of 2187355254 is 4525537812.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2187355253) 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, 40879 + ... + 77754.

It is an arithmetic number, because the mean of its divisors is an integer number (156596880).

Almost surely, 2^2187355254 is an apocalyptic number.

2187355254 is an abundant number, since it is smaller than the sum of its proper divisors (2823744906).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2187355254 is a wasteful number, since it uses less digits than its factorization.

2187355254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119084.

The product of its digits is 336000, while the sum is 42.

The square root of 2187355254 is about 46769.1699092468. The cubic root of 2187355254 is about 1298.0948927264.

The spelling of 2187355254 in words is "two billion, one hundred eighty-seven million, three hundred fifty-five thousand, two hundred fifty-four".