61546260 has 48 divisors (see below), whose sum is σ = 172682496. Its totient is φ = 16378752.

The previous prime is 61546237. The next prime is 61546271. The reversal of 61546260 is 6264516.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45717 + ... + 47043.

It is an arithmetic number, because the mean of its divisors is an integer number (3597552).

Almost surely, 2^61546260 is an apocalyptic number.

61546260 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

61546260 is an abundant number, since it is smaller than the sum of its proper divisors (111136236).

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

61546260 is a wasteful number, since it uses less digits than its factorization.

61546260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2112 (or 2110 counting only the distinct ones).

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

The square root of 61546260 is about 7845.1424461255. The cubic root of 61546260 is about 394.8212832499.

The spelling of 61546260 in words is "sixty-one million, five hundred forty-six thousand, two hundred sixty".