1051261353 has 12 divisors (see below), whose sum is σ = 1559529348. Its totient is φ = 681899040.

The previous prime is 1051261319. The next prime is 1051261399. The reversal of 1051261353 is 3531621501.

1051261353 is a `hidden beast` number, since 1 + 0 + 51 + 261 + 353 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 665020944 + 386240409 = 25788^2 + 19653^2 .

It is not a de Polignac number, because 1051261353 - 2¹² = 1051257257 is a prime.

It is a super-2 number, since 2×1051261353² = 2210300864622781218, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1051261313) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1578138 + ... + 1578803.

It is an arithmetic number, because the mean of its divisors is an integer number (129960779).

Almost surely, 2^1051261353 is an apocalyptic number.

It is an amenable number.

1051261353 is a deficient number, since it is larger than the sum of its proper divisors (508267995).

1051261353 is a wasteful number, since it uses less digits than its factorization.

1051261353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3156984 (or 3156981 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 1051261353 is about 32423.1607496863. The cubic root of 1051261353 is about 1016.8031890598.

Adding to 1051261353 its reverse (3531621501), we get a palindrome (4582882854).

The spelling of 1051261353 in words is "one billion, fifty-one million, two hundred sixty-one thousand, three hundred fifty-three".