61502441 has 16 divisors (see below), whose sum is σ = 82578048. Its totient is φ = 44236800.

The previous prime is 61502429. The next prime is 61502453. The reversal of 61502441 is 14420516.

It is an interprime number because it is at equal distance from previous prime (61502429) and next prime (61502453).

It is a cyclic number.

It is not a de Polignac number, because 61502441 - 2⁶ = 61502377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61502041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29720 + ... + 31721.

It is an arithmetic number, because the mean of its divisors is an integer number (5161128).

Almost surely, 2^61502441 is an apocalyptic number.

It is an amenable number.

61502441 is a deficient number, since it is larger than the sum of its proper divisors (21075607).

61502441 is a wasteful number, since it uses less digits than its factorization.

61502441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61472.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 61502441 is about 7842.3492016104. The cubic root of 61502441 is about 394.7275608949.

Adding to 61502441 its reverse (14420516), we get a palindrome (75922957).

The spelling of 61502441 in words is "sixty-one million, five hundred two thousand, four hundred forty-one".