424524157 has 2 divisors, whose sum is σ = 424524158. Its totient is φ = 424524156.

The previous prime is 424524131. The next prime is 424524169. The reversal of 424524157 is 751425424.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 412455481 + 12068676 = 20309^2 + 3474^2 .

It is a cyclic number.

It is not a de Polignac number, because 424524157 - 2⁷ = 424524029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (424522157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212262078 + 212262079.

It is an arithmetic number, because the mean of its divisors is an integer number (212262079).

Almost surely, 2^424524157 is an apocalyptic number.

It is an amenable number.

424524157 is a deficient number, since it is larger than the sum of its proper divisors (1).

424524157 is an equidigital number, since it uses as much as digits as its factorization.

424524157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 44800, while the sum is 34.

The square root of 424524157 is about 20603.9840079534. The cubic root of 424524157 is about 751.5665962381.

The spelling of 424524157 in words is "four hundred twenty-four million, five hundred twenty-four thousand, one hundred fifty-seven".