612012545 has 16 divisors (see below), whose sum is σ = 746029440. Its totient is φ = 481891200.

The previous prime is 612012539. The next prime is 612012551. The reversal of 612012545 is 545210216.

It is an interprime number because it is at equal distance from previous prime (612012539) and next prime (612012551).

It is a de Polignac number, because none of the positive numbers 2^k-612012545 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 286130 + ... + 288260.

It is an arithmetic number, because the mean of its divisors is an integer number (46626840).

Almost surely, 2^612012545 is an apocalyptic number.

It is an amenable number.

612012545 is a deficient number, since it is larger than the sum of its proper divisors (134016895).

612012545 is a wasteful number, since it uses less digits than its factorization.

612012545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3016.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 612012545 is about 24738.8873031913. The cubic root of 612012545 is about 849.0242760017.

The spelling of 612012545 in words is "six hundred twelve million, twelve thousand, five hundred forty-five".