5420187 has 24 divisors (see below), whose sum is σ = 8533200. Its totient is φ = 3302208.

The previous prime is 5420179. The next prime is 5420213. The reversal of 5420187 is 7810245.

It is not a de Polignac number, because 5420187 - 2³ = 5420179 is a prime.

It is a super-2 number, since 2×5420187² = 58756854229938, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5420187.

It is not an unprimeable number, because it can be changed into a prime (5420117) 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, 4413 + ... + 5505.

It is an arithmetic number, because the mean of its divisors is an integer number (355550).

Almost surely, 2^5420187 is an apocalyptic number.

5420187 is a gapful number since it is divisible by the number (57) formed by its first and last digit.

5420187 is a deficient number, since it is larger than the sum of its proper divisors (3113013).

5420187 is a wasteful number, since it uses less digits than its factorization.

5420187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1147 (or 1144 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 5420187 is about 2328.1295067070. The cubic root of 5420187 is about 175.6594114931.

The spelling of 5420187 in words is "five million, four hundred twenty thousand, one hundred eighty-seven".