1250535542 has 4 divisors (see below), whose sum is σ = 1875803316. Its totient is φ = 625267770.

The previous prime is 1250535499. The next prime is 1250535551. The reversal of 1250535542 is 2455350521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2455350521 = 13 ⋅188873117.

It is a junction number, because it is equal to n+sod(n) for n = 1250535499 and 1250535508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312633884 + ... + 312633887.

It is an arithmetic number, because the mean of its divisors is an integer number (468950829).

Almost surely, 2^1250535542 is an apocalyptic number.

1250535542 is a deficient number, since it is larger than the sum of its proper divisors (625267774).

1250535542 is an equidigital number, since it uses as much as digits as its factorization.

1250535542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625267773.

The product of its (nonzero) digits is 30000, while the sum is 32.

The square root of 1250535542 is about 35362.9119558896. The cubic root of 1250535542 is about 1077.3711617530.

The spelling of 1250535542 in words is "one billion, two hundred fifty million, five hundred thirty-five thousand, five hundred forty-two".