463611261 has 4 divisors (see below), whose sum is σ = 618148352. Its totient is φ = 309074172.

The previous prime is 463611259. The next prime is 463611271. The reversal of 463611261 is 162116364.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 463611261 - 2¹ = 463611259 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (463611271) 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, 77268541 + ... + 77268546.

It is an arithmetic number, because the mean of its divisors is an integer number (154537088).

Almost surely, 2^463611261 is an apocalyptic number.

It is an amenable number.

463611261 is a deficient number, since it is larger than the sum of its proper divisors (154537091).

463611261 is a wasteful number, since it uses less digits than its factorization.

463611261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154537090.

The product of its digits is 5184, while the sum is 30.

The square root of 463611261 is about 21531.6339602920. The cubic root of 463611261 is about 773.9590664676.

The spelling of 463611261 in words is "four hundred sixty-three million, six hundred eleven thousand, two hundred sixty-one".