61000264 has 16 divisors (see below), whose sum is σ = 123173820. Its totient is φ = 28153920.

The previous prime is 61000249. The next prime is 61000271. The reversal of 61000264 is 46200016.

It can be written as a sum of positive squares in 2 ways, for example, as 55383364 + 5616900 = 7442^2 + 2370^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 293167 + ... + 293374.

Almost surely, 2^61000264 is an apocalyptic number.

It is an amenable number.

61000264 is an abundant number, since it is smaller than the sum of its proper divisors (62173556).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61000264 is a wasteful number, since it uses less digits than its factorization.

61000264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 586560 (or 586556 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 61000264 is about 7810.2665767565. The cubic root of 61000264 is about 393.6502861975.

The spelling of 61000264 in words is "sixty-one million, two hundred sixty-four", and thus it is an aban number.