245501629 has 2 divisors, whose sum is σ = 245501630. Its totient is φ = 245501628.

The previous prime is 245501621. The next prime is 245501687. The reversal of 245501629 is 926105542.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 209525625 + 35976004 = 14475^2 + 5998^2 .

It is a cyclic number.

It is not a de Polignac number, because 245501629 - 2³ = 245501621 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 245501594 and 245501603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245501621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122750814 + 122750815.

It is an arithmetic number, because the mean of its divisors is an integer number (122750815).

Almost surely, 2^245501629 is an apocalyptic number.

It is an amenable number.

245501629 is a deficient number, since it is larger than the sum of its proper divisors (1).

245501629 is an equidigital number, since it uses as much as digits as its factorization.

245501629 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 245501629 is about 15668.4915993851. The cubic root of 245501629 is about 626.1592386160.

The spelling of 245501629 in words is "two hundred forty-five million, five hundred one thousand, six hundred twenty-nine".