61002263 has 4 divisors (see below), whose sum is σ = 69716880. Its totient is φ = 52287648.

The previous prime is 61002247. The next prime is 61002281. The reversal of 61002263 is 36220016.

61002263 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 61002263 - 2⁴ = 61002247 is a prime.

It is a super-2 number, since 2×61002263² = 7442552182242338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61002223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4357298 + ... + 4357311.

It is an arithmetic number, because the mean of its divisors is an integer number (17429220).

Almost surely, 2^61002263 is an apocalyptic number.

61002263 is a deficient number, since it is larger than the sum of its proper divisors (8714617).

61002263 is an equidigital number, since it uses as much as digits as its factorization.

61002263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8714616.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 61002263 is about 7810.3945482927. The cubic root of 61002263 is about 393.6545861698.

Adding to 61002263 its reverse (36220016), we get a palindrome (97222279).

The spelling of 61002263 in words is "sixty-one million, two thousand, two hundred sixty-three".