61298260 has 24 divisors (see below), whose sum is σ = 136299240. Its totient is φ = 23076864.

The previous prime is 61298249. The next prime is 61298261. The reversal of 61298260 is 6289216.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 23794884 + 37503376 = 4878^2 + 6124^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61298261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89805 + ... + 90484.

It is an arithmetic number, because the mean of its divisors is an integer number (5679135).

Almost surely, 2^61298260 is an apocalyptic number.

It is an amenable number.

61298260 is an abundant number, since it is smaller than the sum of its proper divisors (75000980).

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

61298260 is a wasteful number, since it uses less digits than its factorization.

61298260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180315 (or 180313 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 61298260 is about 7829.3205324600. The cubic root of 61298260 is about 394.2902599720.

The spelling of 61298260 in words is "sixty-one million, two hundred ninety-eight thousand, two hundred sixty".