2148648025 has 12 divisors (see below), whose sum is σ = 2668499964. Its totient is φ = 1716224000.

The previous prime is 2148648023. The next prime is 2148648049. The reversal of 2148648025 is 5208468412.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 4309776 + 2144338249 = 2076^2 + 46307^2 .

It is not a de Polignac number, because 2148648025 - 2¹ = 2148648023 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2148648023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51016 + ... + 83065.

It is an arithmetic number, because the mean of its divisors is an integer number (222374997).

Almost surely, 2^2148648025 is an apocalyptic number.

2148648025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2148648025 is a deficient number, since it is larger than the sum of its proper divisors (519851939).

2148648025 is a wasteful number, since it uses less digits than its factorization.

2148648025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134732 (or 134727 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 40.

The square root of 2148648025 is about 46353.5114635342. The cubic root of 2148648025 is about 1290.3922900026.

The spelling of 2148648025 in words is "two billion, one hundred forty-eight million, six hundred forty-eight thousand, twenty-five".