2278514025 has 18 divisors (see below), whose sum is σ = 4081072190. Its totient is φ = 1215207360.

The previous prime is 2278514023. The next prime is 2278514027. The reversal of 2278514025 is 5204158722.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2278514023) and next prime (2278514027).

It can be written as a sum of positive squares in 3 ways, for example, as 91642329 + 2186871696 = 9573^2 + 46764^2 .

It is not a de Polignac number, because 2278514025 - 2¹ = 2278514023 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2278514023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 5063140 + ... + 5063589.

Almost surely, 2^2278514025 is an apocalyptic number.

2278514025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2278514025 is a deficient number, since it is larger than the sum of its proper divisors (1802558165).

2278514025 is a wasteful number, since it uses less digits than its factorization.

2278514025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10126745 (or 10126737 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 36.

The square root of 2278514025 is about 47733.7828482093. The cubic root of 2278514025 is about 1315.8828761057.

The spelling of 2278514025 in words is "two billion, two hundred seventy-eight million, five hundred fourteen thousand, twenty-five".