61525403 has 8 divisors (see below), whose sum is σ = 62141856. Its totient is φ = 60912000.

The previous prime is 61525381. The next prime is 61525423. The reversal of 61525403 is 30452516.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 61525403 - 2⁸ = 61525147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61525423) 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, 64913 + ... + 65853.

It is an arithmetic number, because the mean of its divisors is an integer number (7767732).

Almost surely, 2^61525403 is an apocalyptic number.

61525403 is a deficient number, since it is larger than the sum of its proper divisors (616453).

61525403 is a wasteful number, since it uses less digits than its factorization.

61525403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1525.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 61525403 is about 7843.8130395873. The cubic root of 61525403 is about 394.7766787638.

Adding to 61525403 its reverse (30452516), we get a palindrome (91977919).

The spelling of 61525403 in words is "sixty-one million, five hundred twenty-five thousand, four hundred three".