612753157 has 2 divisors, whose sum is σ = 612753158. Its totient is φ = 612753156.

The previous prime is 612753133. The next prime is 612753247. The reversal of 612753157 is 751357216.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 605602881 + 7150276 = 24609^2 + 2674^2 .

It is a cyclic number.

It is not a de Polignac number, because 612753157 - 2²⁷ = 478535429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (612753107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306376578 + 306376579.

It is an arithmetic number, because the mean of its divisors is an integer number (306376579).

Almost surely, 2^612753157 is an apocalyptic number.

It is an amenable number.

612753157 is a deficient number, since it is larger than the sum of its proper divisors (1).

612753157 is an equidigital number, since it uses as much as digits as its factorization.

612753157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 44100, while the sum is 37.

The square root of 612753157 is about 24753.8513569101. The cubic root of 612753157 is about 849.3666132633.

The spelling of 612753157 in words is "six hundred twelve million, seven hundred fifty-three thousand, one hundred fifty-seven".