424929157 has 2 divisors, whose sum is σ = 424929158. Its totient is φ = 424929156.

The previous prime is 424929149. The next prime is 424929179. The reversal of 424929157 is 751929424.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 250715556 + 174213601 = 15834^2 + 13199^2 .

It is a cyclic number.

It is not a de Polignac number, because 424929157 - 2³ = 424929149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (424929137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212464578 + 212464579.

It is an arithmetic number, because the mean of its divisors is an integer number (212464579).

Almost surely, 2^424929157 is an apocalyptic number.

It is an amenable number.

424929157 is a deficient number, since it is larger than the sum of its proper divisors (1).

424929157 is an equidigital number, since it uses as much as digits as its factorization.

424929157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 181440, while the sum is 43.

The square root of 424929157 is about 20613.8098613527. The cubic root of 424929157 is about 751.8055207865.

The spelling of 424929157 in words is "four hundred twenty-four million, nine hundred twenty-nine thousand, one hundred fifty-seven".