1013002061 has 4 divisors (see below), whose sum is σ = 1013356800. Its totient is φ = 1012647324.

The previous prime is 1013002057. The next prime is 1013002099. The reversal of 1013002061 is 1602003101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1602003101 = 769 ⋅2083229.

It is a cyclic number.

It is not a de Polignac number, because 1013002061 - 2² = 1013002057 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013002031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173051 + ... + 178808.

It is an arithmetic number, because the mean of its divisors is an integer number (253339200).

Almost surely, 2^1013002061 is an apocalyptic number.

It is an amenable number.

1013002061 is a deficient number, since it is larger than the sum of its proper divisors (354739).

1013002061 is an equidigital number, since it uses as much as digits as its factorization.

1013002061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354738.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1013002061 is about 31827.6933031598. The cubic root of 1013002061 is about 1004.3153711179.

Adding to 1013002061 its reverse (1602003101), we get a palindrome (2615005162).

The spelling of 1013002061 in words is "one billion, thirteen million, two thousand, sixty-one".