2052451400 has 24 divisors (see below), whose sum is σ = 4771949970. Its totient is φ = 820980480.

The previous prime is 2052451397. The next prime is 2052451403. The reversal of 2052451400 is 41542502.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2052451397) and next prime (2052451403).

It can be written as a sum of positive squares in 3 ways, for example, as 1084121476 + 968329924 = 32926^2 + 31118^2 .

It is not an unprimeable number, because it can be changed into a prime (2052451403) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5130929 + ... + 5131328.

Almost surely, 2^2052451400 is an apocalyptic number.

2052451400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2052451400 is an abundant number, since it is smaller than the sum of its proper divisors (2719498570).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2052451400 is a wasteful number, since it uses less digits than its factorization.

2052451400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10262273 (or 10262264 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 2052451400 is about 45303.9887868607. The cubic root of 2052451400 is about 1270.8402483066.

Adding to 2052451400 its reverse (41542502), we get a palindrome (2093993902).

The spelling of 2052451400 in words is "two billion, fifty-two million, four hundred fifty-one thousand, four hundred".