38102425 has 6 divisors (see below), whose sum is σ = 47247038. Its totient is φ = 30481920.

The previous prime is 38102381. The next prime is 38102437. The reversal of 38102425 is 52420183.

It can be written as a sum of positive squares in 3 ways, for example, as 9168784 + 28933641 = 3028^2 + 5379^2 .

It is not a de Polignac number, because 38102425 - 2²¹ = 36005273 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 1524097 = 38102425 / (3 + 8 + 1 + 0 + 2 + 4 + 2 + 5).

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 38102425.

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, 762024 + ... + 762073.

Almost surely, 2^38102425 is an apocalyptic number.

It is an amenable number.

38102425 is a deficient number, since it is larger than the sum of its proper divisors (9144613).

38102425 is a wasteful number, since it uses less digits than its factorization.

38102425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1524107 (or 1524102 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 38102425 is about 6172.7161768544. The cubic root of 38102425 is about 336.4993313876.

The spelling of 38102425 in words is "thirty-eight million, one hundred two thousand, four hundred twenty-five".