1461152897 has 4 divisors (see below), whose sum is σ = 1461381636. Its totient is φ = 1460924160.

The previous prime is 1461152887. The next prime is 1461152911. The reversal of 1461152897 is 7982511641.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1222481296 + 238671601 = 34964^2 + 15449^2 .

It is a cyclic number.

It is not a de Polignac number, because 1461152897 - 2¹⁴ = 1461136513 is a prime.

It is a super-2 number, since 2×1461152897² = 4269935576822985218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1461152837) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104504 + ... + 117657.

It is an arithmetic number, because the mean of its divisors is an integer number (365345409).

Almost surely, 2^1461152897 is an apocalyptic number.

It is an amenable number.

1461152897 is a deficient number, since it is larger than the sum of its proper divisors (228739).

1461152897 is an equidigital number, since it uses as much as digits as its factorization.

1461152897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228738.

The product of its digits is 120960, while the sum is 44.

The square root of 1461152897 is about 38225.0297187589. The cubic root of 1461152897 is about 1134.7457229547.

The spelling of 1461152897 in words is "one billion, four hundred sixty-one million, one hundred fifty-two thousand, eight hundred ninety-seven".