1051636253 has 2 divisors, whose sum is σ = 1051636254. Its totient is φ = 1051636252.

The previous prime is 1051636231. The next prime is 1051636307. The reversal of 1051636253 is 3526361501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 755865049 + 295771204 = 27493^2 + 17198^2 .

It is a cyclic number.

It is not a de Polignac number, because 1051636253 - 2¹² = 1051632157 is a prime.

It is a super-2 number, since 2×1051636253² = 2211877617247760018, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1051636213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525818126 + 525818127.

It is an arithmetic number, because the mean of its divisors is an integer number (525818127).

Almost surely, 2^1051636253 is an apocalyptic number.

It is an amenable number.

1051636253 is a deficient number, since it is larger than the sum of its proper divisors (1).

1051636253 is an equidigital number, since it uses as much as digits as its factorization.

1051636253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 1051636253 is about 32428.9415954329. The cubic root of 1051636253 is about 1016.9240452133.

Adding to 1051636253 its reverse (3526361501), we get a palindrome (4577997754).

The spelling of 1051636253 in words is "one billion, fifty-one million, six hundred thirty-six thousand, two hundred fifty-three".