61263242 has 4 divisors (see below), whose sum is σ = 91894866. Its totient is φ = 30631620.

The previous prime is 61263211. The next prime is 61263269. The reversal of 61263242 is 24236216.

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

It can be written as a sum of positive squares in only one way, i.e., 58232161 + 3031081 = 7631^2 + 1741^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15315809 + ... + 15315812.

Almost surely, 2^61263242 is an apocalyptic number.

61263242 is a deficient number, since it is larger than the sum of its proper divisors (30631624).

61263242 is a wasteful number, since it uses less digits than its factorization.

61263242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30631623.

The product of its digits is 3456, while the sum is 26.

The square root of 61263242 is about 7827.0838758761. The cubic root of 61263242 is about 394.2151632977.

Adding to 61263242 its reverse (24236216), we get a palindrome (85499458).

The spelling of 61263242 in words is "sixty-one million, two hundred sixty-three thousand, two hundred forty-two".