2485551 has 4 divisors (see below), whose sum is σ = 3314072. Its totient is φ = 1657032.

The previous prime is 2485547. The next prime is 2485559. The reversal of 2485551 is 1555842.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2485551 - 2² = 2485547 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2485559) 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, 414256 + ... + 414261.

It is an arithmetic number, because the mean of its divisors is an integer number (828518).

2^2485551 is an apocalyptic number.

2485551 is a deficient number, since it is larger than the sum of its proper divisors (828521).

2485551 is an equidigital number, since it uses as much as digits as its factorization.

2485551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 828520.

The product of its digits is 8000, while the sum is 30.

The square root of 2485551 is about 1576.5630339444. The cubic root of 2485551 is about 135.4589046729.

The spelling of 2485551 in words is "two million, four hundred eighty-five thousand, five hundred fifty-one".