61051263 has 32 divisors (see below), whose sum is σ = 100918272. Its totient is φ = 31968000.

The previous prime is 61051229. The next prime is 61051297. The reversal of 61051263 is 36215016.

It is an interprime number because it is at equal distance from previous prime (61051229) and next prime (61051297).

It is not a de Polignac number, because 61051263 - 2¹² = 61047167 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61051363) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40483 + ... + 41963.

It is an arithmetic number, because the mean of its divisors is an integer number (3153696).

Almost surely, 2^61051263 is an apocalyptic number.

61051263 is a deficient number, since it is larger than the sum of its proper divisors (39867009).

61051263 is a wasteful number, since it uses less digits than its factorization.

61051263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1655.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 61051263 is about 7813.5307640016. The cubic root of 61051263 is about 393.7599588310.

Adding to 61051263 its reverse (36215016), we get a palindrome (97266279).

The spelling of 61051263 in words is "sixty-one million, fifty-one thousand, two hundred sixty-three".