61255000 has 40 divisors (see below), whose sum is σ = 143532180. Its totient is φ = 24500000.

The previous prime is 61254997. The next prime is 61255043. The reversal of 61255000 is 55216.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1126 + ... + 11125.

Almost surely, 2^61255000 is an apocalyptic number.

It is an amenable number.

61255000 is an abundant number, since it is smaller than the sum of its proper divisors (82277180).

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

61255000 is a wasteful number, since it uses less digits than its factorization.

61255000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12277 (or 12258 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 61255000 is about 7826.5573530129. The cubic root of 61255000 is about 394.1974840337.

The spelling of 61255000 in words is "sixty-one million, two hundred fifty-five thousand".