1253541503234 has 4 divisors (see below), whose sum is σ = 1880312254854. Its totient is φ = 626770751616.

The previous prime is 1253541503231. The next prime is 1253541503261. The reversal of 1253541503234 is 4323051453521.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 921114304009 + 332427199225 = 959747^2 + 576565^2 .

It is not an unprimeable number, because it can be changed into a prime (1253541503231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 313385375807 + ... + 313385375810.

Almost surely, 2^{1253541503234} is an apocalyptic number.

1253541503234 is a deficient number, since it is larger than the sum of its proper divisors (626770751620).

1253541503234 is an equidigital number, since it uses as much as digits as its factorization.

1253541503234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626770751619.

The product of its (nonzero) digits is 216000, while the sum is 38.

Adding to 1253541503234 its reverse (4323051453521), we get a palindrome (5576592956755).

The spelling of 1253541503234 in words is "one trillion, two hundred fifty-three billion, five hundred forty-one million, five hundred three thousand, two hundred thirty-four".