61345532 has 6 divisors (see below), whose sum is σ = 107354688. Its totient is φ = 30672764.

The previous prime is 61345511. The next prime is 61345573. The reversal of 61345532 is 23554316.

It is a junction number, because it is equal to n+sod(n) for n = 61345495 and 61345504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7668188 + ... + 7668195.

It is an arithmetic number, because the mean of its divisors is an integer number (17892448).

Almost surely, 2^61345532 is an apocalyptic number.

It is an amenable number.

61345532 is a deficient number, since it is larger than the sum of its proper divisors (46009156).

61345532 is a wasteful number, since it uses less digits than its factorization.

61345532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15336387 (or 15336385 counting only the distinct ones).

The product of its digits is 10800, while the sum is 29.

The square root of 61345532 is about 7832.3388588595. The cubic root of 61345532 is about 394.3915901996.

Adding to 61345532 its reverse (23554316), we get a palindrome (84899848).

The spelling of 61345532 in words is "sixty-one million, three hundred forty-five thousand, five hundred thirty-two".