612132461 has 4 divisors (see below), whose sum is σ = 612603552. Its totient is φ = 611661372.

The previous prime is 612132449. The next prime is 612132463. The reversal of 612132461 is 164231216.

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 a cyclic number.

It is not a de Polignac number, because 612132461 - 2⁶ = 612132397 is a prime.

It is a super-2 number, since 2×612132461² = 749412299619833042, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 612132461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612132463) 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, 233591 + ... + 236196.

It is an arithmetic number, because the mean of its divisors is an integer number (153150888).

Almost surely, 2^612132461 is an apocalyptic number.

It is an amenable number.

612132461 is a deficient number, since it is larger than the sum of its proper divisors (471091).

612132461 is a wasteful number, since it uses less digits than its factorization.

612132461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471090.

The product of its digits is 1728, while the sum is 26.

The square root of 612132461 is about 24741.3108181438. The cubic root of 612132461 is about 849.0797241823.

Adding to 612132461 its reverse (164231216), we get a palindrome (776363677).

The spelling of 612132461 in words is "six hundred twelve million, one hundred thirty-two thousand, four hundred sixty-one".