61153242 has 16 divisors (see below), whose sum is σ = 122400192. Its totient is φ = 20368800.

The previous prime is 61153241. The next prime is 61153249. The reversal of 61153242 is 24235116.

It is a super-2 number, since 2×61153242² = 7479438014221128, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (61153241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6867 + ... + 13017.

It is an arithmetic number, because the mean of its divisors is an integer number (7650012).

Almost surely, 2^61153242 is an apocalyptic number.

61153242 is an abundant number, since it is smaller than the sum of its proper divisors (61246950).

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

61153242 is a wasteful number, since it uses less digits than its factorization.

61153242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7813.

The product of its digits is 1440, while the sum is 24.

The square root of 61153242 is about 7820.0538361318. The cubic root of 61153242 is about 393.9790802020.

Adding to 61153242 its reverse (24235116), we get a palindrome (85388358).

The spelling of 61153242 in words is "sixty-one million, one hundred fifty-three thousand, two hundred forty-two".