1051401553 has 8 divisors (see below), whose sum is σ = 1112145408. Its totient is φ = 991910304.

The previous prime is 1051401541. The next prime is 1051401569. The reversal of 1051401553 is 3551041501.

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 1051401553 - 2²¹ = 1049304401 is a prime.

It is a super-2 number, since 2×1051401553² = 2210890451301623618, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1051401503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 311425 + ... + 314782.

It is an arithmetic number, because the mean of its divisors is an integer number (139018176).

Almost surely, 2^1051401553 is an apocalyptic number.

It is an amenable number.

1051401553 is a deficient number, since it is larger than the sum of its proper divisors (60743855).

1051401553 is an equidigital number, since it uses as much as digits as its factorization.

1051401553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626303.

The product of its (nonzero) digits is 1500, while the sum is 25.

The square root of 1051401553 is about 32425.3227123494. The cubic root of 1051401553 is about 1016.8483885623.

The spelling of 1051401553 in words is "one billion, fifty-one million, four hundred one thousand, five hundred fifty-three".