2148877 has 2 divisors, whose sum is σ = 2148878. Its totient is φ = 2148876.

The previous prime is 2148869. The next prime is 2148893. The reversal of 2148877 is 7788412.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1602756 + 546121 = 1266^2 + 739^2 .

It is a cyclic number.

It is not a de Polignac number, because 2148877 - 2³ = 2148869 is a prime.

It is a super-2 number, since 2×2148877² = 9235344722258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2148857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1074438 + 1074439.

It is an arithmetic number, because the mean of its divisors is an integer number (1074439).

2^2148877 is an apocalyptic number.

It is an amenable number.

2148877 is a deficient number, since it is larger than the sum of its proper divisors (1).

2148877 is an equidigital number, since it uses as much as digits as its factorization.

2148877 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25088, while the sum is 37.

The square root of 2148877 is about 1465.9048400220. The cubic root of 2148877 is about 129.0438126125.

It can be divided in two parts, 2148 and 877, that added together give a square (3025 = 55²).

The spelling of 2148877 in words is "two million, one hundred forty-eight thousand, eight hundred seventy-seven".