612132449 has 2 divisors, whose sum is σ = 612132450. Its totient is φ = 612132448.

The previous prime is 612132439. The next prime is 612132463. The reversal of 612132449 is 944231216.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 598144849 + 13987600 = 24457^2 + 3740^2 .

It is a cyclic number.

It is not a de Polignac number, because 612132449 - 2¹² = 612128353 is a prime.

It is a super-2 number, since 2×612132449² = 749412270237475202, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (612132439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306066224 + 306066225.

It is an arithmetic number, because the mean of its divisors is an integer number (306066225).

Almost surely, 2^612132449 is an apocalyptic number.

It is an amenable number.

612132449 is a deficient number, since it is larger than the sum of its proper divisors (1).

612132449 is an equidigital number, since it uses as much as digits as its factorization.

612132449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10368, while the sum is 32.

The square root of 612132449 is about 24741.3105756344. The cubic root of 612132449 is about 849.0797186339.

The spelling of 612132449 in words is "six hundred twelve million, one hundred thirty-two thousand, four hundred forty-nine".