276472531 has 2 divisors, whose sum is σ = 276472532. Its totient is φ = 276472530.

The previous prime is 276472517. The next prime is 276472543. The reversal of 276472531 is 135274672.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 276472531 - 2⁷ = 276472403 is a prime.

It is a super-4 number, since 4×276472531⁴ (a number of 35 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (276472561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 138236265 + 138236266.

It is an arithmetic number, because the mean of its divisors is an integer number (138236266).

Almost surely, 2^276472531 is an apocalyptic number.

276472531 is a deficient number, since it is larger than the sum of its proper divisors (1).

276472531 is an equidigital number, since it uses as much as digits as its factorization.

276472531 is an evil number, because the sum of its binary digits is even.

The product of its digits is 70560, while the sum is 37.

The square root of 276472531 is about 16627.4631558756. The cubic root of 276472531 is about 651.4543616148.

The spelling of 276472531 in words is "two hundred seventy-six million, four hundred seventy-two thousand, five hundred thirty-one".