1013555001 has 8 divisors (see below), whose sum is σ = 1351556800. Its totient is φ = 675628272.

The previous prime is 1013554999. The next prime is 1013555003. The reversal of 1013555001 is 1005553101.

It is an interprime number because it is at equal distance from previous prime (1013554999) and next prime (1013555003).

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

It is not a de Polignac number, because 1013555001 - 2¹ = 1013554999 is a prime.

It is a super-2 number, since 2×1013555001² = 2054587480104220002, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1013555003) 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, 33675 + ... + 56223.

It is an arithmetic number, because the mean of its divisors is an integer number (168944600).

Almost surely, 2^1013555001 is an apocalyptic number.

It is an amenable number.

1013555001 is a deficient number, since it is larger than the sum of its proper divisors (338001799).

1013555001 is a wasteful number, since it uses less digits than its factorization.

1013555001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37535.

The product of its (nonzero) digits is 375, while the sum is 21.

The square root of 1013555001 is about 31836.3785786009. The cubic root of 1013555001 is about 1004.4980706908.

The spelling of 1013555001 in words is "one billion, thirteen million, five hundred fifty-five thousand, one".