2471825 has 6 divisors (see below), whose sum is σ = 3065094. Its totient is φ = 1977440.

The previous prime is 2471813. The next prime is 2471827. The reversal of 2471825 is 5281742.

It can be written as a sum of positive squares in 3 ways, for example, as 421201 + 2050624 = 649^2 + 1432^2 .

It is not a de Polignac number, because 2471825 - 2⁴ = 2471809 is a prime.

It is a super-2 number, since 2×2471825² = 12219837661250, 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 (2471827) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 49412 + ... + 49461.

It is an arithmetic number, because the mean of its divisors is an integer number (510849).

2^2471825 is an apocalyptic number.

2471825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2471825 is a deficient number, since it is larger than the sum of its proper divisors (593269).

2471825 is an equidigital number, since it uses as much as digits as its factorization.

2471825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98883 (or 98878 counting only the distinct ones).

The product of its digits is 4480, while the sum is 29.

The square root of 2471825 is about 1572.2038671877. The cubic root of 2471825 is about 135.2090952706.

It can be divided in two parts, 247 and 1825, that multiplied together give a triangular number (450775 = T₉₄₉).

The spelling of 2471825 in words is "two million, four hundred seventy-one thousand, eight hundred twenty-five".