61333452 has 18 divisors (see below), whose sum is σ = 155037428. Its totient is φ = 20444472.

The previous prime is 61333451. The next prime is 61333453. The reversal of 61333452 is 25433316.

It is a happy number.

61333452 is a `hidden beast` number, since 613 + 3 + 3 + 45 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (61333451) and next prime (61333453).

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (61333451) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 851818 + ... + 851889.

Almost surely, 2^61333452 is an apocalyptic number.

It is an amenable number.

61333452 is an abundant number, since it is smaller than the sum of its proper divisors (93703976).

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

61333452 is a wasteful number, since it uses less digits than its factorization.

61333452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1703717 (or 1703712 counting only the distinct ones).

The product of its digits is 6480, while the sum is 27.

The square root of 61333452 is about 7831.5676591599. The cubic root of 61333452 is about 394.3657009837.

Adding to 61333452 its reverse (25433316), we get a palindrome (86766768).

The spelling of 61333452 in words is "sixty-one million, three hundred thirty-three thousand, four hundred fifty-two".