1461545263 has 2 divisors, whose sum is σ = 1461545264. Its totient is φ = 1461545262.

The previous prime is 1461545249. The next prime is 1461545279. The reversal of 1461545263 is 3625451641.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1461545263 - 2⁵ = 1461545231 is a prime.

It is a super-2 number, since 2×1461545263² = 4272229111595478338, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1461545243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 730772631 + 730772632.

It is an arithmetic number, because the mean of its divisors is an integer number (730772632).

Almost surely, 2^1461545263 is an apocalyptic number.

1461545263 is a deficient number, since it is larger than the sum of its proper divisors (1).

1461545263 is an equidigital number, since it uses as much as digits as its factorization.

1461545263 is an evil number, because the sum of its binary digits is even.

The product of its digits is 86400, while the sum is 37.

The square root of 1461545263 is about 38230.1616920462. The cubic root of 1461545263 is about 1134.8472856303.

The spelling of 1461545263 in words is "one billion, four hundred sixty-one million, five hundred forty-five thousand, two hundred sixty-three".