612264287 has 2 divisors, whose sum is σ = 612264288. Its totient is φ = 612264286.

The previous prime is 612264277. The next prime is 612264293. The reversal of 612264287 is 782462216.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 612264287 - 2⁶ = 612264223 is a prime.

It is a super-4 number, since 4×612264287⁴ (a number of 36 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 612264287.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (612264217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306132143 + 306132144.

It is an arithmetic number, because the mean of its divisors is an integer number (306132144).

Almost surely, 2^612264287 is an apocalyptic number.

612264287 is a deficient number, since it is larger than the sum of its proper divisors (1).

612264287 is an equidigital number, since it uses as much as digits as its factorization.

612264287 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64512, while the sum is 38.

The square root of 612264287 is about 24743.9747615455. The cubic root of 612264287 is about 849.1406710943.

The spelling of 612264287 in words is "six hundred twelve million, two hundred sixty-four thousand, two hundred eighty-seven".