61254331 has 4 divisors (see below), whose sum is σ = 62292600. Its totient is φ = 60216064.

The previous prime is 61254329. The next prime is 61254341. The reversal of 61254331 is 13345216.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 61254331 - 2¹ = 61254329 is a prime.

It is a super-2 number, since 2×61254331² = 7504186132515122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 61254296 and 61254305.

It is not an unprimeable number, because it can be changed into a prime (61254311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 519046 + ... + 519163.

It is an arithmetic number, because the mean of its divisors is an integer number (15573150).

Almost surely, 2^61254331 is an apocalyptic number.

61254331 is a deficient number, since it is larger than the sum of its proper divisors (1038269).

61254331 is a wasteful number, since it uses less digits than its factorization.

61254331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1038268.

The product of its digits is 2160, while the sum is 25.

The square root of 61254331 is about 7826.5146137984. The cubic root of 61254331 is about 394.1960489450.

Adding to 61254331 its reverse (13345216), we get a palindrome (74599547).

The spelling of 61254331 in words is "sixty-one million, two hundred fifty-four thousand, three hundred thirty-one".