61657852 has 6 divisors (see below), whose sum is σ = 107901248. Its totient is φ = 30828924.

The previous prime is 61657837. The next prime is 61657859. The reversal of 61657852 is 25875616.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61657859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7707228 + ... + 7707235.

Almost surely, 2^61657852 is an apocalyptic number.

It is an amenable number.

61657852 is a deficient number, since it is larger than the sum of its proper divisors (46243396).

61657852 is a wasteful number, since it uses less digits than its factorization.

61657852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15414467 (or 15414465 counting only the distinct ones).

The product of its digits is 100800, while the sum is 40.

The square root of 61657852 is about 7852.2513968925. The cubic root of 61657852 is about 395.0597612939.

The spelling of 61657852 in words is "sixty-one million, six hundred fifty-seven thousand, eight hundred fifty-two".