1245535753 has 48 divisors (see below), whose sum is σ = 1685069568. Its totient is φ = 907200000.

The previous prime is 1245535723. The next prime is 1245535769. The reversal of 1245535753 is 3575355421.

It is a happy number.

It is not a de Polignac number, because 1245535753 - 2²⁵ = 1211981321 is a prime.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1245535723) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1658128 + ... + 1658878.

It is an arithmetic number, because the mean of its divisors is an integer number (35105616).

Almost surely, 2^1245535753 is an apocalyptic number.

It is an amenable number.

1245535753 is a deficient number, since it is larger than the sum of its proper divisors (439533815).

1245535753 is a wasteful number, since it uses less digits than its factorization.

1245535753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 974 (or 967 counting only the distinct ones).

The product of its digits is 315000, while the sum is 40.

The square root of 1245535753 is about 35292.1486027700. The cubic root of 1245535753 is about 1075.9334248574.

The spelling of 1245535753 in words is "one billion, two hundred forty-five million, five hundred thirty-five thousand, seven hundred fifty-three".