276492401 has 2 divisors, whose sum is σ = 276492402. Its totient is φ = 276492400.

The previous prime is 276492371. The next prime is 276492413. The reversal of 276492401 is 104294672.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 213130801 + 63361600 = 14599^2 + 7960^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-276492401 is a prime.

It is not a weakly prime, because it can be changed into another prime (276492431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 138246200 + 138246201.

It is an arithmetic number, because the mean of its divisors is an integer number (138246201).

Almost surely, 2^276492401 is an apocalyptic number.

It is an amenable number.

276492401 is a deficient number, since it is larger than the sum of its proper divisors (1).

276492401 is an equidigital number, since it uses as much as digits as its factorization.

276492401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 276492401 is about 16628.0606505990. The cubic root of 276492401 is about 651.4699678525.

The spelling of 276492401 in words is "two hundred seventy-six million, four hundred ninety-two thousand, four hundred one".