2261337553 has 8 divisors (see below), whose sum is σ = 2344910400. Its totient is φ = 2178137808.

The previous prime is 2261337541. The next prime is 2261337583. The reversal of 2261337553 is 3557331622.

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 2261337553 - 2¹⁷ = 2261206481 is a prime.

It is a super-2 number, since 2×2261337553² = 10227295057216055618, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2261337583) 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, 80901 + ... + 105202.

It is an arithmetic number, because the mean of its divisors is an integer number (293113800).

Almost surely, 2^2261337553 is an apocalyptic number.

It is an amenable number.

2261337553 is a deficient number, since it is larger than the sum of its proper divisors (83572847).

2261337553 is a wasteful number, since it uses less digits than its factorization.

2261337553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186551.

The product of its digits is 113400, while the sum is 37.

The square root of 2261337553 is about 47553.5230345765. The cubic root of 2261337553 is about 1312.5679583618.

The spelling of 2261337553 in words is "two billion, two hundred sixty-one million, three hundred thirty-seven thousand, five hundred fifty-three".