1250500042453 has 2 divisors, whose sum is σ = 1250500042454. Its totient is φ = 1250500042452.

The previous prime is 1250500042409. The next prime is 1250500042523. The reversal of 1250500042453 is 3542400050521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1013177125489 + 237322916964 = 1006567^2 + 487158^2 .

It is a cyclic number.

It is not a de Polignac number, because 1250500042453 - 2³⁷ = 1113061088981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1250500042553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 625250021226 + 625250021227.

It is an arithmetic number, because the mean of its divisors is an integer number (625250021227).

Almost surely, 2^{1250500042453} is an apocalyptic number.

It is an amenable number.

1250500042453 is a deficient number, since it is larger than the sum of its proper divisors (1).

1250500042453 is an equidigital number, since it uses as much as digits as its factorization.

1250500042453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24000, while the sum is 31.

Adding to 1250500042453 its reverse (3542400050521), we get a palindrome (4792900092974).

The spelling of 1250500042453 in words is "one trillion, two hundred fifty billion, five hundred million, forty-two thousand, four hundred fifty-three".