61425069 has 16 divisors (see below), whose sum is σ = 84961920. Its totient is φ = 39441600.

The previous prime is 61425061. The next prime is 61425071. The reversal of 61425069 is 96052416.

It is not a de Polignac number, because 61425069 - 2³ = 61425061 is a prime.

It is a super-2 number, since 2×61425069² = 7546078203309522, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61425061) 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, 8472 + ... + 13950.

It is an arithmetic number, because the mean of its divisors is an integer number (5310120).

Almost surely, 2^61425069 is an apocalyptic number.

It is an amenable number.

61425069 is a deficient number, since it is larger than the sum of its proper divisors (23536851).

61425069 is a wasteful number, since it uses less digits than its factorization.

61425069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5620.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 61425069 is about 7837.4146885309. The cubic root of 61425069 is about 394.5619648827.

It can be divided in two parts, 6142 and 5069, that added together give a palindrome (11211).

The spelling of 61425069 in words is "sixty-one million, four hundred twenty-five thousand, sixty-nine".