61960238525 has 6 divisors (see below), whose sum is σ = 76830695802. Its totient is φ = 49568190800.

The previous prime is 61960238519. The next prime is 61960238531. The reversal of 61960238525 is 52583206916.

It is an interprime number because it is at equal distance from previous prime (61960238519) and next prime (61960238531).

It can be written as a sum of positive squares in 3 ways, for example, as 688642564 + 61271595961 = 26242^2 + 247531^2 .

It is not a de Polignac number, because 61960238525 - 2¹² = 61960234429 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 61960238525.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1239204746 + ... + 1239204795.

It is an arithmetic number, because the mean of its divisors is an integer number (12805115967).

Almost surely, 2^61960238525 is an apocalyptic number.

It is an amenable number.

61960238525 is a deficient number, since it is larger than the sum of its proper divisors (14870457277).

61960238525 is a wasteful number, since it uses less digits than its factorization.

61960238525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2478409551 (or 2478409546 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 47.

The spelling of 61960238525 in words is "sixty-one billion, nine hundred sixty million, two hundred thirty-eight thousand, five hundred twenty-five".