249650629 has 2 divisors, whose sum is σ = 249650630. Its totient is φ = 249650628.

The previous prime is 249650603. The next prime is 249650641. The reversal of 249650629 is 926056942.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 183602500 + 66048129 = 13550^2 + 8127^2 .

It is a cyclic number.

It is not a de Polignac number, because 249650629 - 2²⁷ = 115432901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (249650029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124825314 + 124825315.

It is an arithmetic number, because the mean of its divisors is an integer number (124825315).

Almost surely, 2^249650629 is an apocalyptic number.

It is an amenable number.

249650629 is a deficient number, since it is larger than the sum of its proper divisors (1).

249650629 is an equidigital number, since it uses as much as digits as its factorization.

249650629 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 233280, while the sum is 43.

The square root of 249650629 is about 15800.3363571792. The cubic root of 249650629 is about 629.6669348911. Note that the first 3 decimals are identical.

The spelling of 249650629 in words is "two hundred forty-nine million, six hundred fifty thousand, six hundred twenty-nine".