350625661 has 2 divisors, whose sum is σ = 350625662. Its totient is φ = 350625660.

The previous prime is 350625637. The next prime is 350625679. The reversal of 350625661 is 166526053.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 350625625 + 36 = 18725^2 + 6^2 .

It is a cyclic number.

It is not a de Polignac number, because 350625661 - 2¹¹ = 350623613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (350625361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 175312830 + 175312831.

It is an arithmetic number, because the mean of its divisors is an integer number (175312831).

Almost surely, 2^350625661 is an apocalyptic number.

It is an amenable number.

350625661 is a deficient number, since it is larger than the sum of its proper divisors (1).

350625661 is an equidigital number, since it uses as much as digits as its factorization.

350625661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32400, while the sum is 34.

The square root of 350625661 is about 18725.0009612817. Note that the first 3 decimals coincide. The cubic root of 350625661 is about 705.1495489462.

The spelling of 350625661 in words is "three hundred fifty million, six hundred twenty-five thousand, six hundred sixty-one".