61533332 has 24 divisors (see below), whose sum is σ = 123787776. Its totient is φ = 26216928.

The previous prime is 61533317. The next prime is 61533347. The reversal of 61533332 is 23333516.

It is an interprime number because it is at equal distance from previous prime (61533317) and next prime (61533347).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1508 + ... + 11195.

It is an arithmetic number, because the mean of its divisors is an integer number (5157824).

Almost surely, 2^61533332 is an apocalyptic number.

It is an amenable number.

61533332 is an abundant number, since it is smaller than the sum of its proper divisors (62254444).

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

61533332 is a wasteful number, since it uses less digits than its factorization.

61533332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12887 (or 12885 counting only the distinct ones).

The product of its digits is 4860, while the sum is 26.

The square root of 61533332 is about 7844.3184535051. The cubic root of 61533332 is about 394.7936367989.

Adding to 61533332 its reverse (23333516), we get a palindrome (84866848).

The spelling of 61533332 in words is "sixty-one million, five hundred thirty-three thousand, three hundred thirty-two".