1042505253 has 24 divisors (see below), whose sum is σ = 1559508600. Its totient is φ = 670287744.

The previous prime is 1042505249. The next prime is 1042505257. The reversal of 1042505253 is 3525052401.

It is a happy number.

1042505253 is a `hidden beast` number, since 104 + 2 + 505 + 2 + 53 = 666.

It is an interprime number because it is at equal distance from previous prime (1042505249) and next prime (1042505257).

It can be written as a sum of positive squares in 4 ways, for example, as 186240609 + 856264644 = 13647^2 + 29262^2 .

It is not a de Polignac number, because 1042505253 - 2² = 1042505249 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042505257) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 321243 + ... + 324471.

It is an arithmetic number, because the mean of its divisors is an integer number (64979525).

Almost surely, 2^1042505253 is an apocalyptic number.

It is an amenable number.

1042505253 is a deficient number, since it is larger than the sum of its proper divisors (517003347).

1042505253 is a wasteful number, since it uses less digits than its factorization.

1042505253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4501 (or 4498 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 1042505253 is about 32287.8499284173. The cubic root of 1042505253 is about 1013.9722837096.

Adding to 1042505253 its reverse (3525052401), we get a palindrome (4567557654).

The spelling of 1042505253 in words is "one billion, forty-two million, five hundred five thousand, two hundred fifty-three".