61542356 has 12 divisors (see below), whose sum is σ = 107808960. Its totient is φ = 30739800.

The previous prime is 61542337. The next prime is 61542361. The reversal of 61542356 is 65324516.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3116 + ... + 11523.

It is an arithmetic number, because the mean of its divisors is an integer number (8984080).

Almost surely, 2^61542356 is an apocalyptic number.

It is an amenable number.

61542356 is a deficient number, since it is larger than the sum of its proper divisors (46266604).

61542356 is a wasteful number, since it uses less digits than its factorization.

61542356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15694 (or 15692 counting only the distinct ones).

The product of its digits is 21600, while the sum is 32.

The square root of 61542356 is about 7844.8936257925. The cubic root of 61542356 is about 394.8129349772.

The spelling of 61542356 in words is "sixty-one million, five hundred forty-two thousand, three hundred fifty-six".