462640461 has 4 divisors (see below), whose sum is σ = 616853952. Its totient is φ = 308426972.

The previous prime is 462640459. The next prime is 462640463. The reversal of 462640461 is 164046264.

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 an interprime number because it is at equal distance from previous prime (462640459) and next prime (462640463).

It is a cyclic number.

It is not a de Polignac number, because 462640461 - 2¹ = 462640459 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (462640463) 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, 77106741 + ... + 77106746.

It is an arithmetic number, because the mean of its divisors is an integer number (154213488).

Almost surely, 2^462640461 is an apocalyptic number.

It is an amenable number.

462640461 is a deficient number, since it is larger than the sum of its proper divisors (154213491).

462640461 is a wasteful number, since it uses less digits than its factorization.

462640461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154213490.

The product of its (nonzero) digits is 27648, while the sum is 33.

The square root of 462640461 is about 21509.0785716171. The cubic root of 462640461 is about 773.4184666276.

The spelling of 462640461 in words is "four hundred sixty-two million, six hundred forty thousand, four hundred sixty-one".