1461330253 has 2 divisors, whose sum is σ = 1461330254. Its totient is φ = 1461330252.

The previous prime is 1461330239. The next prime is 1461330289. The reversal of 1461330253 is 3520331641.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1430881929 + 30448324 = 37827^2 + 5518^2 .

It is a cyclic number.

It is not a de Polignac number, because 1461330253 - 2²¹ = 1459233101 is a prime.

It is a super-2 number, since 2×1461330253² = 4270972216666088018, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1461330203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 730665126 + 730665127.

It is an arithmetic number, because the mean of its divisors is an integer number (730665127).

Almost surely, 2^1461330253 is an apocalyptic number.

It is an amenable number.

1461330253 is a deficient number, since it is larger than the sum of its proper divisors (1).

1461330253 is an equidigital number, since it uses as much as digits as its factorization.

1461330253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 1461330253 is about 38227.3495419183. The cubic root of 1461330253 is about 1134.7916332357.

Adding to 1461330253 its reverse (3520331641), we get a palindrome (4981661894).

The spelling of 1461330253 in words is "one billion, four hundred sixty-one million, three hundred thirty thousand, two hundred fifty-three".