1203353253 has 12 divisors (see below), whose sum is σ = 1802554208. Its totient is φ = 802235340.

The previous prime is 1203353213. The next prime is 1203353303. The reversal of 1203353253 is 3523533021.

1203353253 is a `hidden beast` number, since 1 + 2 + 0 + 335 + 325 + 3 = 666.

It is not a de Polignac number, because 1203353253 - 2¹⁶ = 1203287717 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1203353213) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2475793 + ... + 2476278.

Almost surely, 2^1203353253 is an apocalyptic number.

It is an amenable number.

1203353253 is a deficient number, since it is larger than the sum of its proper divisors (599200955).

1203353253 is an frugal number, since it uses more digits than its factorization.

1203353253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4952086 (or 4952074 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 27.

The square root of 1203353253 is about 34689.3824245979. The cubic root of 1203353253 is about 1063.6474716968.

Adding to 1203353253 its reverse (3523533021), we get a palindrome (4726886274).

The spelling of 1203353253 in words is "one billion, two hundred three million, three hundred fifty-three thousand, two hundred fifty-three".