61260645 has 16 divisors (see below), whose sum is σ = 98115840. Its totient is φ = 32639424.

The previous prime is 61260643. The next prime is 61260659. The reversal of 61260645 is 54606216.

It is not a de Polignac number, because 61260645 - 2¹ = 61260643 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61260643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23812 + ... + 26258.

It is an arithmetic number, because the mean of its divisors is an integer number (6132240).

Almost surely, 2^61260645 is an apocalyptic number.

It is an amenable number.

61260645 is a deficient number, since it is larger than the sum of its proper divisors (36855195).

61260645 is a wasteful number, since it uses less digits than its factorization.

61260645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4124.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 61260645 is about 7826.9179758063. The cubic root of 61260645 is about 394.2095928490.

The spelling of 61260645 in words is "sixty-one million, two hundred sixty thousand, six hundred forty-five".