2971625 has 8 divisors (see below), whose sum is σ = 3708744. Its totient is φ = 2377200.

The previous prime is 2971607. The next prime is 2971663. The reversal of 2971625 is 5261792.

It can be written as a sum of positive squares in 4 ways, for example, as 350464 + 2621161 = 592^2 + 1619^2 .

It is not a de Polignac number, because 2971625 - 2¹⁰ = 2970601 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2971591 and 2971600.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11762 + ... + 12011.

It is an arithmetic number, because the mean of its divisors is an integer number (463593).

2^2971625 is an apocalyptic number.

2971625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2971625 is a deficient number, since it is larger than the sum of its proper divisors (737119).

2971625 is an equidigital number, since it uses as much as digits as its factorization.

2971625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23788 (or 23778 counting only the distinct ones).

The product of its digits is 7560, while the sum is 32.

The square root of 2971625 is about 1723.8401898088. The cubic root of 2971625 is about 143.7688066132.

The spelling of 2971625 in words is "two million, nine hundred seventy-one thousand, six hundred twenty-five".