1049251831 has 2 divisors, whose sum is σ = 1049251832. Its totient is φ = 1049251830.

The previous prime is 1049251771. The next prime is 1049251867. The reversal of 1049251831 is 1381529401.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1049251831 - 2⁹ = 1049251319 is a prime.

It is a super-2 number, since 2×1049251831² = 2201858809713705122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1049254831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 524625915 + 524625916.

It is an arithmetic number, because the mean of its divisors is an integer number (524625916).

Almost surely, 2^1049251831 is an apocalyptic number.

1049251831 is a deficient number, since it is larger than the sum of its proper divisors (1).

1049251831 is an equidigital number, since it uses as much as digits as its factorization.

1049251831 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 1049251831 is about 32392.1569365178. The cubic root of 1049251831 is about 1016.1548911223.

The spelling of 1049251831 in words is "one billion, forty-nine million, two hundred fifty-one thousand, eight hundred thirty-one".