61258763 has 4 divisors (see below), whose sum is σ = 61820880. Its totient is φ = 60696648.

The previous prime is 61258751. The next prime is 61258801. The reversal of 61258763 is 36785216.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61258763 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61258963) 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, 280895 + ... + 281112.

It is an arithmetic number, because the mean of its divisors is an integer number (15455220).

Almost surely, 2^61258763 is an apocalyptic number.

61258763 is a deficient number, since it is larger than the sum of its proper divisors (562117).

61258763 is a wasteful number, since it uses less digits than its factorization.

61258763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562116.

The product of its digits is 60480, while the sum is 38.

The square root of 61258763 is about 7826.7977487603. The cubic root of 61258763 is about 394.2055559449.

The spelling of 61258763 in words is "sixty-one million, two hundred fifty-eight thousand, seven hundred sixty-three".