276420025 has 72 divisors (see below), whose sum is σ = 427472640. Its totient is φ = 176400000.

The previous prime is 276420013. The next prime is 276420029. The reversal of 276420025 is 520024672.

It is not a de Polignac number, because 276420025 - 2¹³ = 276411833 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 276419975 and 276420002.

It is not an unprimeable number, because it can be changed into a prime (276420029) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1101150 + ... + 1101400.

It is an arithmetic number, because the mean of its divisors is an integer number (5937120).

Almost surely, 2^276420025 is an apocalyptic number.

276420025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

276420025 is a deficient number, since it is larger than the sum of its proper divisors (151052615).

276420025 is a wasteful number, since it uses less digits than its factorization.

276420025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335 (or 323 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 276420025 is about 16625.8841870139. The cubic root of 276420025 is about 651.4131189060.

Adding to 276420025 its reverse (520024672), we get a palindrome (796444697).

The spelling of 276420025 in words is "two hundred seventy-six million, four hundred twenty thousand, twenty-five".