10420531253 has 6 divisors (see below), whose sum is σ = 11453972502. Its totient is φ = 9473210120.

The previous prime is 10420531249. The next prime is 10420531267. The reversal of 10420531253 is 35213502401.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 10415835364 + 4695889 = 102058^2 + 2167^2 .

It is not a de Polignac number, because 10420531253 - 2² = 10420531249 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10420531273) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 43059926 + ... + 43060167.

It is an arithmetic number, because the mean of its divisors is an integer number (1908995417).

Almost surely, 2^10420531253 is an apocalyptic number.

It is an amenable number.

10420531253 is a deficient number, since it is larger than the sum of its proper divisors (1033441249).

10420531253 is an equidigital number, since it uses as much as digits as its factorization.

10420531253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86120115 (or 86120104 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The spelling of 10420531253 in words is "ten billion, four hundred twenty million, five hundred thirty-one thousand, two hundred fifty-three".