61750545 has 32 divisors (see below), whose sum is σ = 105587712. Its totient is φ = 30707712.

The previous prime is 61750531. The next prime is 61750547. The reversal of 61750545 is 54505716.

It is not a de Polignac number, because 61750545 - 2⁴ = 61750529 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61750547) 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, 27744 + ... + 29886.

It is an arithmetic number, because the mean of its divisors is an integer number (3299616).

Almost surely, 2^61750545 is an apocalyptic number.

It is an amenable number.

61750545 is a deficient number, since it is larger than the sum of its proper divisors (43837167).

61750545 is a wasteful number, since it uses less digits than its factorization.

61750545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2281.

The product of its (nonzero) digits is 21000, while the sum is 33.

The square root of 61750545 is about 7858.1515001939. The cubic root of 61750545 is about 395.2576324929.

The spelling of 61750545 in words is "sixty-one million, seven hundred fifty thousand, five hundred forty-five".