1255202653 has 8 divisors (see below), whose sum is σ = 1259740800. Its totient is φ = 1250673648.

The previous prime is 1255202651. The next prime is 1255202677. The reversal of 1255202653 is 3562025521.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1255202653 - 2¹ = 1255202651 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1255202651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 376528 + ... + 379846.

It is an arithmetic number, because the mean of its divisors is an integer number (157467600).

Almost surely, 2^1255202653 is an apocalyptic number.

It is an amenable number.

1255202653 is a deficient number, since it is larger than the sum of its proper divisors (4538147).

1255202653 is an equidigital number, since it uses as much as digits as its factorization.

1255202653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4571.

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 1255202653 is about 35428.8392838377. The cubic root of 1255202653 is about 1078.7097798420.

The spelling of 1255202653 in words is "one billion, two hundred fifty-five million, two hundred two thousand, six hundred fifty-three".