1053262421 has 8 divisors (see below), whose sum is σ = 1116249984. Its totient is φ = 990389440.

The previous prime is 1053262411. The next prime is 1053262429. The reversal of 1053262421 is 1242623501.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1053262421 - 2¹⁰ = 1053261397 is a prime.

It is a super-3 number, since 3×1053262421³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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 (1053262429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9335 + ... + 46836.

It is an arithmetic number, because the mean of its divisors is an integer number (139531248).

Almost surely, 2^1053262421 is an apocalyptic number.

It is an amenable number.

1053262421 is a deficient number, since it is larger than the sum of its proper divisors (62987563).

1053262421 is a wasteful number, since it uses less digits than its factorization.

1053262421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57291.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 1053262421 is about 32454.0046989582. The cubic root of 1053262421 is about 1017.4479391893.

Adding to 1053262421 its reverse (1242623501), we get a palindrome (2295885922).

The spelling of 1053262421 in words is "one billion, fifty-three million, two hundred sixty-two thousand, four hundred twenty-one".