201280953 has 16 divisors (see below), whose sum is σ = 273027456. Its totient is φ = 131873280.

The previous prime is 201280949. The next prime is 201280973. The reversal of 201280953 is 359082102.

It is a happy number.

It is not a de Polignac number, because 201280953 - 2² = 201280949 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 201280953.

It is not an unprimeable number, because it can be changed into a prime (201280913) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73851 + ... + 76527.

It is an arithmetic number, because the mean of its divisors is an integer number (17064216).

Almost surely, 2^201280953 is an apocalyptic number.

It is an amenable number.

201280953 is a deficient number, since it is larger than the sum of its proper divisors (71746503).

201280953 is a wasteful number, since it uses less digits than its factorization.

201280953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3104.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 201280953 is about 14187.3518670681. The cubic root of 201280953 is about 586.0494013806.

The spelling of 201280953 in words is "two hundred one million, two hundred eighty thousand, nine hundred fifty-three".