53020425 has 24 divisors (see below), whose sum is σ = 87869376. Its totient is φ = 28210240.

The previous prime is 53020423. The next prime is 53020427. The reversal of 53020425 is 52402035.

Added to its reverse (52402035) it gives a triangular number (105422460 = T₁₄₅₂₀).

It is an interprime number because it is at equal distance from previous prime (53020423) and next prime (53020427).

It is not a de Polignac number, because 53020425 - 2¹ = 53020423 is a prime.

It is a super-2 number, since 2×53020425² = 5622330934361250, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (53020423) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 59332 + ... + 60218.

It is an arithmetic number, because the mean of its divisors is an integer number (3661224).

Almost surely, 2^53020425 is an apocalyptic number.

It is an amenable number.

53020425 is a deficient number, since it is larger than the sum of its proper divisors (34848951).

53020425 is a wasteful number, since it uses less digits than its factorization.

53020425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1697 (or 1692 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 53020425 is about 7281.5125489145. The cubic root of 53020425 is about 375.6768221410.

Adding to 53020425 its reverse (52402035), we get a triangular number (105422460 = T₁₄₅₂₀).

The spelling of 53020425 in words is "fifty-three million, twenty thousand, four hundred twenty-five".